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B1 noun #2,000 mais comum 16 min de leitura

变量

bianliang
Pratique Exemplos Notas e dicas 变量 em 30 segundos
Explicação 变量 in your Level:
At the A1 level, learners are just beginning their journey into the Chinese language. The word 变量 (biànliàng) is generally considered too advanced for this stage, as A1 focuses on basic survival vocabulary like greetings, numbers, family members, and simple daily objects. However, it is highly beneficial for A1 learners to be introduced to the individual characters that make up this word, as they are extremely common and form the foundation for many other essential words. The first character, 变 (biàn), means 'to change.' Even at the A1 level, learners might encounter simple concepts of change, though they are more likely to learn basic adjectives. The second character, 量 (liàng), means 'amount' or 'measure.' A1 learners might see this character in words related to weight or quantity, though the specific combinations will come later. If an A1 learner does encounter the word 变量, it would likely be in a highly specific context, such as a student who is studying mathematics or programming in a Chinese-speaking environment. In such a case, the teacher would simply translate 变量 directly as 'variable' (like x or y in math) without delving into the complex grammatical or metaphorical uses of the word. The primary goal for an A1 learner regarding this word is simple recognition: knowing that 变 means change, and 量 means amount, so together they mean a 'changing amount.' This morphological breakdown is a crucial skill for reading Chinese, helping beginners understand how complex concepts are built from simple, logical building blocks. Therefore, while not a core A1 vocabulary word, understanding its components provides a significant advantage for future learning.
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As learners progress to the A2 level, their vocabulary expands to include more descriptive words, basic routines, and simple academic or work-related terms. At this stage, the word 变量 (biànliàng) might start to appear if the learner is reading simple texts about school subjects, particularly mathematics or basic science. A2 learners are capable of understanding simple sentences and structures. They can grasp the concept of 变量 as a 'variable' in a math problem, such as 'x is a variable' (x是一个变量). They will also start to become more familiar with the word 变化 (biànhuà), which means 'change' as a general noun or verb. It is at this level that teachers must carefully explain the difference between 变化 (the act of changing) and 变量 (the specific thing or quantity that changes). A2 learners can begin to use 变量 in very basic, concrete sentences. For example, if they are learning how to talk about computers or basic coding, they might learn the phrase '定义变量' (define a variable). The focus at the A2 level is on literal, concrete usage rather than abstract or metaphorical applications. Learners should practice identifying 变量 in short reading passages about science or math and practice pronouncing the word correctly, paying attention to the falling tones on both syllables (biàn liàng). While they may not use it frequently in casual daily conversation, recognizing it helps build confidence when encountering educational materials or basic technical instructions in Chinese. It serves as a bridge to the more complex, analytical vocabulary they will need at the intermediate levels.
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At the B1 level, 变量 (biànliàng) becomes a highly relevant and active part of a learner's vocabulary. B1 learners are expected to handle a wider range of topics, including abstract concepts, opinions, and basic professional or academic discussions. The word 变量 fits perfectly into this stage, as it allows learners to talk about factors, causes, and unpredictable elements in various situations. At this level, learners should be comfortable using 变量 in its literal scientific/mathematical sense, such as discussing 'independent variables' (自变量) and 'dependent variables' (因变量) in the context of a school project or a simple news article about a scientific study. Furthermore, B1 learners can start using 变量 in its metaphorical sense to describe everyday situations. For instance, when discussing travel plans, a B1 learner can say, '天气是一个很大的变量' (Weather is a big variable), demonstrating an ability to use analytical vocabulary to describe daily life. They should also be mastering the collocations associated with the word, such as '控制变量' (control the variable) or '引入变量' (introduce a variable). At this stage, it is crucial to avoid the common mistake of confusing 变量 with 因素 (factor) or 变化 (change), understanding that 变量 specifically implies a measurable or distinct factor that fluctuates. B1 learners will frequently encounter this word in intermediate reading materials, podcasts about technology or business, and discussions about future plans. Mastering 变量 at the B1 level significantly enhances a learner's ability to sound logical, structured, and articulate when analyzing problems or explaining complex situations in Chinese.
Reaching the B2 level means the learner is achieving a degree of fluency and spontaneity that makes regular interaction with native speakers quite possible without strain for either party. At this stage, the usage of 变量 (biànliàng) should be sophisticated, accurate, and broad. B2 learners are reading news articles, watching Chinese media, and perhaps working or studying in a Chinese environment. They will encounter 变量 frequently in business reports, economic analyses, and tech industry discussions. A B2 learner should be able to comfortably read and produce sentences like '在当前的经济形势下，通货膨胀是一个不可忽视的变量' (Under the current economic situation, inflation is a variable that cannot be ignored). They understand the nuances between 变量 and similar words like 参数 (parameter) or 变数 (unpredictable factor), and can choose the appropriate word based on the context. In programming or scientific contexts, B2 learners can engage in detailed discussions, using terms like '全局变量' (global variable) or '随机变量' (random variable) correctly. They are also adept at using complex grammatical structures to modify 变量, such as '影响实验结果的关键变量' (the key variable affecting the experimental results). At the B2 level, the word is no longer just a vocabulary item to be memorized; it is a functional tool used to construct arguments, analyze data, and express complex, conditional thoughts. The learner's ability to use 变量 metaphorically to describe social phenomena, market trends, or interpersonal dynamics demonstrates a deep, culturally integrated understanding of how modern Chinese speakers communicate analytical concepts.
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At the C1 level, learners possess a high level of proficiency, capable of understanding a wide range of demanding, longer texts, and recognizing implicit meaning. Their use of 变量 (biànliàng) is expected to be near-native, characterized by precision, flexibility, and a deep understanding of register. C1 learners encounter this word in advanced academic papers, complex technical documentation, high-level business negotiations, and sophisticated literary or journalistic commentary. They can effortlessly navigate the statistical and mathematical jargon associated with the word, such as '连续变量' (continuous variable), '离散变量' (discrete variable), and '多变量分析' (multivariate analysis). Beyond technical accuracy, C1 learners excel in using 变量 rhetorically to frame arguments or highlight uncertainties in complex geopolitical or macroeconomic discussions. For example, they might write or say, '中美关系的发展轨迹中潜藏着诸多难以量化的变量' (There are many difficult-to-quantify variables hidden within the developmental trajectory of Sino-US relations). At this level, learners are highly sensitive to the stylistic differences between 变量 (objective, analytical) and 变数 (literary, emphasizing unpredictability), using them strategically to set the tone of their discourse. They can also seamlessly integrate the word into complex sentence structures, using it as the subject, object, or part of a sophisticated relative clause without hesitation. For a C1 learner, 变量 is an essential lexical item that facilitates high-level intellectual exchange, allowing them to participate fully in professional, academic, and societal debates in the Chinese-speaking world.
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The C2 level represents mastery, where the learner can understand with ease virtually everything heard or read, and can summarize information from different spoken and written sources, reconstructing arguments and accounts in a coherent presentation. For a C2 learner, the word 变量 (biànliàng) is utilized with the exact same intuition, nuance, and cultural resonance as a highly educated native speaker. At this ultimate stage of language acquisition, the learner is not just using the word correctly; they are playing with it, using it to coin new phrases, or applying it in highly abstract philosophical or sociological contexts. A C2 learner might read a dense philosophical treatise discussing human free will as the 'ultimate variable' in deterministic systems, or write a comprehensive doctoral dissertation where the rigorous definition and control of variables form the core of their methodology. They understand the etymological roots of the characters and how the concept of 'changeable quantities' reflects broader Chinese philosophical thoughts on impermanence and balance (such as concepts found in the I Ching, the Book of Changes, though 变量 itself is a modern scientific translation). In spoken Chinese, a C2 learner can use 变量 to deliver compelling, persuasive speeches, effortlessly transitioning from dry statistical analysis to profound metaphorical insights about the human condition. They can debate the validity of chosen variables in an economic model with native experts, identifying flaws in logic or methodology. At the C2 level, 变量 is a fully integrated component of a vast, sophisticated linguistic repertoire, wielded with absolute precision and elegance.
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Pratique Exemplos Notas e dicas

变量 em 30 segundos

  • A changing quantity in math.
  • A data storage location in code.
  • A factor measured in an experiment.
  • An unpredictable element in life.

The Chinese word 变量 (biànliàng) is a fundamental concept that bridges mathematics, computer science, scientific research, and even everyday analytical thinking. To truly understand this word, we must break it down into its constituent characters. The first character, 变 (biàn), means 'to change,' 'to become,' or 'to transform.' It is the same character found in words like 变化 (change) and 变成 (to become). The second character, 量 (liàng), translates to 'amount,' 'quantity,' or 'capacity,' appearing in words like 数量 (quantity) and 重量 (weight). Therefore, at its most literal level, 变量 means a 'changing quantity' or a 'quantity that can change.'

In the realm of mathematics, 变量 is the exact equivalent of the English word 'variable.' It represents an unknown numerical value in an equation, typically denoted by letters such as x, y, or z. For instance, in the algebraic expression y = 2x + 1, both x and y are considered 变量. This mathematical foundation is often the first context in which native Chinese speakers encounter the word during their primary or middle school education.

Mathematical Context
Used to describe symbols that represent numbers in equations. Example: 解方程时，x是一个变量。 (When solving equations, x is a variable.)
Programming Context
Refers to a storage location paired with an associated symbolic name. Example: 声明一个字符串变量。 (Declare a string variable.)
Scientific Context
Factors in an experiment that can be changed or controlled. Example: 控制其他变量不变。 (Keep other variables constant.)

Beyond mathematics, 变量 is a cornerstone term in computer science and programming. In software development, a variable is a named storage location in the computer's memory that holds a value which can be modified during program execution. Whether a programmer is writing in Python, Java, or C++, they are constantly defining, assigning, and manipulating 变量. This usage has become increasingly common in modern Chinese due to the booming tech industry.

在编程中，我们需要先定义变量，然后才能给它赋值。

In programming, we must first define a variable before we can assign a value to it.

In scientific research and experimental design, 变量 takes on a slightly different but related meaning. It refers to any factor, trait, or condition that can exist in differing amounts or types. Researchers carefully categorize these into independent variables (自变量 - zìbiànliàng), dependent variables (因变量 - yīnbiànliàng), and control variables (控制变量 - kòngzhì biànliàng). Understanding these distinctions is crucial for anyone reading or writing academic papers in Chinese.

这个实验中，温度是唯一的自变量。

In this experiment, temperature is the only independent variable.

Furthermore, the term has permeated everyday language, especially in business, economics, and strategic planning. When people discuss the future or analyze a complex situation, they often refer to unpredictable factors as 变量. For example, a business analyst might say that consumer behavior is a massive variable in their quarterly forecast. In this metaphorical sense, 变量 represents uncertainty, risk, or any dynamic element that could alter an expected outcome.

To fully master the word 变量, learners must recognize its versatility. It is not merely a dry academic term but a dynamic concept used to describe the ever-changing nature of the world around us. Whether you are solving a math problem, debugging code, conducting a chemistry experiment, or trying to predict the stock market, 变量 is the vocabulary word that captures the essence of change and measurement.

Independent Variable
自变量 (zìbiànliàng) - The factor you purposely change.
Dependent Variable
因变量 (yīnbiànliàng) - The factor that changes as a result.

市场需求是一个不可控的变量。

Market demand is an uncontrollable variable.

天气是这次户外活动的巨大变量。

The weather is a huge variable for this outdoor activity.

我们需要引入一个新的变量来完善模型。

We need to introduce a new variable to perfect the model.
Control Variable
控制变量 (kòngzhì biànliàng) - The factors kept constant.

In conclusion, 变量 is an indispensable noun for intermediate to advanced Chinese learners. Its logical construction (change + quantity) makes it relatively easy to remember, while its broad applicability across disciplines ensures that you will encounter it frequently in both academic and professional settings.

Understanding how to properly use the word 变量 (biànliàng) in a sentence requires familiarity with the specific verbs and adjectives that commonly collocate with it. Because 变量 is a noun representing a factor, quantity, or element of change, the verbs used with it typically involve actions of measuring, controlling, introducing, or analyzing. Let us explore the syntactical structures and common usage patterns of this essential vocabulary word across various contexts.

One of the most frequent verbs paired with 变量 is 控制 (kòngzhì), meaning 'to control.' In scientific research and experimental design, the phrase 控制变量 (control the variables) is ubiquitous. A researcher might say, '为了保证实验的准确性，我们必须控制其他变量' (In order to ensure the accuracy of the experiment, we must control other variables). This usage highlights the active manipulation of factors to isolate a specific cause-and-effect relationship.

在心理学研究中，很难完全控制所有变量。

In psychological research, it is difficult to completely control all variables.
Verb Collocation: 引入 (yǐnrù)
Meaning 'to introduce.' Often used in math or modeling: 引入一个新的变量 (introduce a new variable).
Verb Collocation: 消除 (xiāochú)
Meaning 'to eliminate.' Used when removing confounding factors: 消除无关变量的影响 (eliminate the influence of irrelevant variables).
Verb Collocation: 改变 (gǎibiàn)
Meaning 'to change.' Used when actively altering a factor: 改变自变量的值 (change the value of the independent variable).

In the context of computer programming, the verbs change to reflect software development actions. Programmers 'define' (定义 - dìngyì), 'declare' (声明 - shēngmíng), and 'assign values to' (赋值 - fùzhí) variables. A standard sentence in a computer science tutorial might read: '首先，我们需要声明一个整型变量' (First, we need to declare an integer variable). Furthermore, variables in programming have 'types' (类型 - lèixíng) and 'scopes' (作用域 - zuòyòngyù), leading to phrases like 局部变量 (local variable) and 全局变量 (global variable).

如果未初始化该变量，程序将会报错。

If this variable is not initialized, the program will throw an error.

When used in a broader, more metaphorical sense—such as in business, economics, or daily life—变量 is often modified by adjectives that describe its magnitude or predictability. Common adjectives include 重要的 (important), 关键的 (key/crucial), 未知的 (unknown), and 潜在的 (potential). For example, an economist might describe inflation as a '关键变量' (key variable) in determining interest rates. In everyday conversation, if someone is planning an outdoor wedding, they might say, '天气是最大的变量' (Weather is the biggest variable), meaning it is the most significant unpredictable factor.

Another important grammatical structure involves the use of 变量 as part of a compound noun. In mathematics and statistics, we frequently see terms like 随机变量 (random variable), 连续变量 (continuous variable), and 离散变量 (discrete variable). These compound terms are highly specific and are essential for anyone studying STEM subjects in Chinese. When writing academic papers, these terms are used strictly according to their statistical definitions.

X和Y是两个相互独立的随机变量。

X and Y are two mutually independent random variables.
Adjective Collocation: 复杂的 (fùzá de)
Complex variables, indicating a situation with many moving parts.
Adjective Collocation: 唯一的 (wéiyī de)
The sole variable, used when all other factors are constant.

投资市场中存在太多不可预知的变量。

There are too many unpredictable variables in the investment market.

To summarize the usage of 变量, learners should focus on the context. If you are in a lab, use verbs like 控制 (control) and 观察 (observe). If you are coding, use 定义 (define) and 赋值 (assign). If you are discussing strategy or life plans, use adjectives like 最大的 (biggest) or 未知的 (unknown) to highlight uncertainty. Mastering these collocations will make your Chinese sound highly proficient, analytical, and precise.

不要让情绪成为你决策过程中的变量。

Do not let emotions become a variable in your decision-making process.

The word 变量 (biànliàng) is ubiquitous across a wide array of professional, academic, and even casual environments in modern Chinese society. Because it conveys the concept of a changing factor or an unpredictable element, its application extends far beyond the mathematics classroom where most people first encounter it. Understanding where and how you will hear this word provides valuable cultural and contextual insight into contemporary Chinese communication.

The most traditional and foundational setting where you will hear 变量 is in educational institutions, specifically in middle school and high school math and science classes. Teachers use it daily when explaining algebra, calculus, physics, and chemistry. A math teacher might write an equation on the chalkboard and ask the students, '这个方程式中有几个变量？' (How many variables are in this equation?). In university laboratories, graduate students and professors constantly discuss 变量 when designing experiments, debating which factors to isolate as independent variables (自变量) and which to measure as dependent variables (因变量).

教授指出，我们的实验设计漏掉了一个关键变量。

The professor pointed out that our experimental design missed a key variable.
Tech Industry (互联网行业)
Heard in daily stand-up meetings, code reviews, and software architecture discussions.
Financial Sector (金融界)
Used by analysts discussing market volatility, interest rates, and economic indicators.
Academia (学术界)
Present in peer-reviewed papers, thesis defenses, and research methodology seminars.

In the rapidly expanding Chinese technology sector, particularly in hubs like Shenzhen, Beijing, and Hangzhou, 变量 is part of the daily vernacular of software engineers, data scientists, and product managers. In a typical tech office, you will hear programmers discussing code structure: '这个变量的命名不够清晰' (The naming of this variable is not clear enough). Data scientists, who rely heavily on statistical models, use the term when training machine learning algorithms, discussing which variables (features) have the most predictive power. The tech industry's influence has made the word highly recognizable even to non-technical professionals.

我们需要清理数据，去除那些缺失值太多的变量。

We need to clean the data and remove those variables with too many missing values.

Furthermore, you will frequently hear 变量 in the business and financial sectors. Business analysts, economists, and corporate strategists use the word metaphorically to describe market uncertainties, consumer trends, and geopolitical risks. During a corporate board meeting, a CEO might state, '明年的宏观经济形势是一个巨大的变量' (Next year's macroeconomic situation is a huge variable). In this context, the word elevates the discourse, making the analysis sound objective, quantified, and professional. It shifts the conversation from vague worries about the future to a structured analysis of risk factors.

Even in everyday life and casual conversations, 变量 has found its place, especially among educated urbanites. When planning a trip, organizing an event, or making a major life decision, people use the word to refer to things outside their control. If a couple is planning an outdoor wedding, they might say, '除了天气这个变量，其他都准备好了' (Except for the variable of the weather, everything else is ready). This usage demonstrates how scientific and mathematical terminology has permeated colloquial Chinese, reflecting a society that values logical thinking and pragmatic planning.

人生充满了变量，我们只能做好当下。

Life is full of variables; we can only do our best in the present.
News Media (新闻媒体)
Used by commentators analyzing political elections or international relations.
Sports Analysis (体育分析)
Commentators discussing player injuries or weather conditions as factors affecting the game.

主力球员的伤退成为了这场决赛的最大变量。

The injury and withdrawal of the main player became the biggest variable in this final.

在复杂的国际关系中，能源价格是一个敏感的变量。

In complex international relations, energy prices are a sensitive variable.

In summary, whether you are listening to a university lecture, sitting in a tech company's boardroom, watching the financial news, or just chatting with friends about weekend plans, 变量 is a word you will encounter frequently. Its transition from a strict mathematical term to a versatile descriptor of uncertainty and change makes it a fascinating and essential component of modern Chinese vocabulary.

When learning the word 变量 (biànliàng), intermediate Chinese learners often encounter a few specific pitfalls. Because the concept of 'change' is expressed through many different words in Chinese, learners frequently confuse 变量 with other similar-sounding or conceptually related terms. Understanding these common mistakes is crucial for achieving precision and fluency, especially in academic or professional contexts where exact terminology matters.

The most prevalent mistake is confusing 变量 (variable) with 变化 (biànhuà - change/variation). While both words share the character 变 (change), their grammatical functions and core meanings are distinct. 变化 can be used as both a noun (the phenomenon of change) and a verb (to change). For example, you can say '天气变化很大' (The weather changes a lot). However, 变量 is strictly a noun referring to a specific factor or quantity that is subject to variation. You cannot say '天气变量很大' to mean the weather changes a lot; that would mean 'the weather variable is very large,' which sounds unnatural unless you are discussing a specific statistical model.

❌ 错误: 他的情绪变量很快。
✅ 正确: 他的情绪变化很快。

Incorrect: His mood variable is fast. Correct: His mood changes fast.
变量 (biànliàng) vs. 变化 (biànhuà)
变量 is the factor that changes (noun). 变化 is the act or result of changing (noun/verb).
变量 (biànliàng) vs. 变动 (biàndòng)
变动 refers to an alteration or shift, often in personnel, prices, or plans. 变量 is a mathematical/scientific factor.
变量 (biànliàng) vs. 参数 (cānshù)
参数 (parameter) is often fixed for a specific case, while 变量 (variable) is expected to change.

Another common error arises when translating the English word 'factor.' Learners might use 变量 when they should use 因素 (yīnsù - factor/element). While all variables are factors, not all factors are variables in the strict sense. 因素 is a broader, more general term used in everyday language to describe elements that contribute to a result. For instance, '成功的因素' (factors of success) is correct. Saying '成功的变量' (variables of success) sounds overly academic or analytical, as if you are trying to plug success into a mathematical equation. Use 变量 when you want to emphasize that the factor is measurable and subject to fluctuation.

❌ 错误: 努力是成功的关键变量。
✅ 正确: 努力是成功的关键因素。

While not grammatically wrong, 'factor' (因素) is much more natural here than 'variable' (变量) unless speaking strictly analytically.

In programming contexts, beginners sometimes confuse 变量 (variable) with 常量 (chángliàng - constant). This is a conceptual mistake rather than a linguistic one, but it's important to note the antonym relationship. A 变量 is designed to have its value modified during the execution of a program, whereas a 常量 is assigned a value once and cannot be changed. Mixing these up in a technical discussion will lead to immediate confusion among Chinese-speaking developers.

Additionally, learners sometimes struggle with the correct measure word for 变量. Because it is an abstract concept, the general measure word 个 (gè) is almost exclusively used. Saying '一种变量' (one kind of variable) is acceptable if categorizing, but for counting, '一个变量' (one variable) or '两个变量' (two variables) is the standard. Attempting to use measure words related to physical objects or specific scientific units (like 条, 项, or 份) with 变量 is incorrect.

❌ 错误: 这个模型包含三项变量。
✅ 正确: 这个模型包含三个变量。

Use the measure word 个 (gè) for variables, not 项 (xiàng).

❌ 错误: 我们需要减少实验的变化。
✅ 正确: 我们需要减少实验的变量。

When talking about reducing factors in an experiment, use variables (变量), not changes (变化).

❌ 错误: 价格是一个重要的变动。
✅ 正确: 价格是一个重要的变量。

Price is a variable (变量), not an alteration (变动) in this context.

By paying attention to these distinctions—especially the difference between the noun 变量 and the noun/verb 变化—learners can significantly improve the accuracy of their Chinese. Remember that 变量 carries a specific, analytical weight. It implies measurement, observation, and calculation. Reserving its use for these contexts will make your Chinese sound much more native and precise.

To build a robust and nuanced Chinese vocabulary, it is essential to understand words that are similar to 变量 (biànliàng). While 变量 specifically translates to 'variable,' there are several other terms used in scientific, mathematical, and everyday contexts that convey related ideas of factors, parameters, and elements. Distinguishing between these synonyms and related terms will allow you to choose the exact right word for your specific context, enhancing both your comprehension and expression.

One of the most closely related words is 参数 (cānshù), which translates to 'parameter.' In mathematics and computer science, the line between a variable and a parameter can sometimes blur, but generally, a 参数 is a value that is fixed for a specific instance of a problem or function, whereas a 变量 is expected to change dynamically. For example, in a machine learning model, you adjust the parameters (参数) to better predict the variables (变量). Using 参数 implies a structural or defining characteristic of a system.

在运行程序之前，我们需要设置好所有的参数，以处理不同的变量。

Before running the program, we need to set all the parameters to handle different variables.
因素 (yīnsù) - Factor / Element
A general term for something that contributes to a result. Broader and less mathematical than 变量.
条件 (tiáojiàn) - Condition
Prerequisites or circumstances required for something to happen. Often used in experimental setups.
要素 (yàosù) - Essential factor / Key element
Refers to the indispensable components that make up a whole. Used in business and philosophy.

Another highly relevant word is 因素 (yīnsù), meaning 'factor.' This is perhaps the most common substitute for 变量 in non-technical, everyday language. When discussing the reasons behind a social phenomenon, the success of a business, or the outcome of a sports match, people usually refer to the various 因素 involved. While a 变量 is a type of factor that can be measured and changed, 因素 is a much broader umbrella term. If you are unsure whether a situation is strictly analytical enough to use 变量, 因素 is almost always a safe and natural-sounding alternative.

健康饮食和规律运动是长寿的重要因素。

A healthy diet and regular exercise are important factors for longevity.

We must also consider the word 条件 (tiáojiàn), which means 'condition.' In scientific experiments, researchers often talk about '实验条件' (experimental conditions). While variables (变量) are the specific things being measured or manipulated, the conditions (条件) refer to the overall environment or the prerequisites for the experiment to take place, such as room temperature or atmospheric pressure. Sometimes, a condition can be a control variable, bridging the two concepts.

For advanced learners, the term 变数 (biànshù) is a fascinating synonym. 变数 is very similar to 变量 and is often used interchangeably in casual conversation to mean 'an unpredictable factor' or 'a variable.' However, 变数 carries a slightly more literary or dramatic tone. It is frequently used in politics, sports, and storytelling to emphasize uncertainty. You might hear a commentator say, '这场比赛充满了变数' (This match is full of variables/uncertainties). While 变量 sounds scientific and objective, 变数 sounds a bit more like fate or unpredictable chance.

明天的谈判还存在很多变数。

There are still many unpredictable variables in tomorrow's negotiation.
常量 (chángliàng) - Constant
The direct antonym of 变量. A value that does not change.
变数 (biànshù) - Unpredictable factor
A more literary or colloquial synonym for 变量, emphasizing uncertainty rather than measurement.

在这个等式中，Pi是一个常量，而r是一个变量。

In this equation, Pi is a constant, while r is a variable.

我们需要考虑所有的要素，而不仅仅是单一的变量。

We need to consider all essential elements, not just a single variable.

By mastering this cluster of related vocabulary—变量, 参数, 因素, 条件, and 变数—you will significantly elevate your ability to discuss complex topics in Chinese. You will be able to transition smoothly from writing a technical computer science report to discussing the unpredictable nature of life with a friend, using precisely the right word for every shade of meaning.

How Formal Is It?

Nível de dificuldade

Gramática essencial

Using 被动语态 (Passive Voice) with 被 (bèi) or 受 (shòu) to describe how variables are affected.

Using 条件复句 (Conditional Sentences) with 如果...就... (If... then...) to explain the relationship between variables.

Using 比较句 (Comparison Sentences) with 越...越... (The more... the more...) to describe proportional changes in variables.

Using 介词 (Prepositions) like 对于 (regarding) or 随着 (along with) to introduce variables.

Using 程度副词 (Adverbs of Degree) like 极其 (extremely) or 相对 (relatively) to modify adjectives describing variables.

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Exemplos por nível

1

x是一个变量。

x is a variable.

Basic 'A is B' structure using 是 (shì).

2

这个变量很大。

This variable is very large.

Using 很 (hěn) to link a noun and an adjective.

3

我不知道这个变量。

I don't know this variable.

Basic negation using 不 (bù).

4

变量是什么？

What is a variable?

Using the question word 什么 (shénme).

5

这里有两个变量。

There are two variables here.

Using 有 (yǒu) to indicate existence and the measure word 个 (gè).

6

他写了一个变量。

He wrote a variable.

Using the completed action marker 了 (le).

7

变量改变了。

The variable changed.

Using the verb 改变 (to change).

8

那是你的变量吗？

Is that your variable?

Using the question particle 吗 (ma).

1

在数学课上，我们学习了变量。

In math class, we learned about variables.

Using 在...上 to indicate location/context.

2

你需要找到这个变量的值。

You need to find the value of this variable.

Using 需要 (need to) and the possessive 的 (de).

3

这个程序有一个新变量。

This program has a new variable.

Adjective 新 (new) modifying the noun.

4

天气是我们不能控制的变量。

Weather is a variable we cannot control.

Using a relative clause with 的 (de).

5

请把这个变量写在纸上。

Please write this variable on the paper.

Using the 把 (bǎ) structure for manipulation.

6

因为变量太多，问题很难。

Because there are too many variables, the problem is very hard.

Using 因为 (because) to show cause.

7

我们明天再讨论这个变量。

We will discuss this variable again tomorrow.

Using 再 (zài) for future repetition.

8

他没有定义那个变量。

He did not define that variable.

Past negation using 没有 (méiyǒu).

1

为了保证实验的准确性，我们必须控制其他变量。

In order to ensure the accuracy of the experiment, we must control other variables.

Using 为了 (in order to) and 必须 (must).

2

在编程时，给变量起一个好名字很重要。

When programming, giving a variable a good name is very important.

Using 在...时 (when...) and 给 (to give/for).

3

市场需求是一个我们无法预测的变量。

Market demand is a variable that we cannot predict.

Complex relative clause '我们无法预测的'.

4

如果改变这个自变量，因变量也会随之改变。

If this independent variable is changed, the dependent variable will also change accordingly.

Using 如果...也... (if... then also...) and 随之 (along with it).

5

这次旅行最大的变量就是天气情况。

The biggest variable for this trip is the weather conditions.

Using 就是 (is exactly) for emphasis.

6

研究人员引入了一个新的变量来测试模型。

The researchers introduced a new variable to test the model.

Using 来 (in order to) to connect two verb phrases.

7

只要控制好这个变量，成功率就会大大提高。

As long as this variable is well controlled, the success rate will greatly increase.

Using 只要...就... (as long as... then...).

8

除了价格，质量也是影响消费者决定的重要变量。

Besides price, quality is also an important variable affecting consumer decisions.

Using 除了...也... (besides... also...).

1

在宏观经济分析中，通货膨胀率被视为一个关键变量。

In macroeconomic analysis, the inflation rate is regarded as a key variable.

Using 被视为 (is regarded as) for passive voice.

2

由于存在太多未知的变量，董事会推迟了最终决策。

Due to the existence of too many unknown variables, the board of directors postponed the final decision.

Using 由于 (due to) for formal causal relationships.

3

该算法通过不断调整内部变量来优化输出结果。

The algorithm optimizes the output results by continuously adjusting internal variables.

Using 通过...来... (by means of... to...).

4

尽管我们尽力排除了干扰变量，实验数据依然存在偏差。

Although we tried our best to eliminate confounding variables, there is still a deviation in the experimental data.

Using 尽管...依然... (although... still...).

5

在社会学研究中，很难将单一变量从复杂的社会环境中孤立出来。

In sociological research, it is difficult to isolate a single variable from a complex social environment.

Using 将...从...中孤立出来 (to isolate something from something).

6

程序员发现，内存泄漏是由于一个未初始化的局部变量引起的。

The programmer discovered that the memory leak was caused by an uninitialized local variable.

Using 是由于...引起的 (is caused by...).

7

任何一个微小变量的改变，都可能导致整个系统的崩溃。

The change of any tiny variable could lead to the collapse of the entire system.

Using 任何...都... (any... all/will...).

8

为了使模型更具普适性，我们需要纳入更多的环境变量。

To make the model more universally applicable, we need to incorporate more environmental variables.

Using 使 (to make/cause) in a formal context.

1

在多元回归分析中，识别并处理多重共线性变量是至关重要的一步。

In multiple regression analysis, identifying and handling multicollinear variables is a crucial step.

Advanced academic vocabulary and structure (在...中, 是...的一步).

2

地缘政治的动荡构成了全球供应链中最难以量化和预测的变量。

Geopolitical turbulence constitutes the most difficult-to-quantify and predict variable in the global supply chain.

Using 构成 (constitute) and complex modifiers (最难以量化和预测的).

3

该理论的缺陷在于它假设人类行为是一个常量，而实际上它是一个高度动态的变量。

The flaw of this theory lies in its assumption that human behavior is a constant, whereas in reality, it is a highly dynamic variable.

Using 在于 (lies in) and 而实际上 (whereas in reality) for contrast.

4

央行在制定货币政策时，必须权衡汇率、就业率和通胀等多个宏观经济变量。

When formulating monetary policy, the central bank must weigh multiple macroeconomic variables such as exchange rates, employment rates, and inflation.

Using 权衡 (weigh/balance) and 等 (such as/etc.) to list items.

5

面对瞬息万变的市场环境，企业领导者需要具备敏锐捕捉关键变量的能力。

Facing a rapidly changing market environment, corporate leaders need to possess the ability to keenly capture key variables.

Using four-character idioms (瞬息万变) and formal verbs (具备, 捕捉).

6

这项纵向研究跨越了二十年，旨在追踪环境变量对个体心理健康的长期影响。

This longitudinal study spans twenty years, aiming to track the long-term impact of environmental variables on individual mental health.

Using 旨在 (aiming to) and 纵向研究 (longitudinal study).

7

在量子力学中，隐变量理论试图解释那些看似随机的量子现象。

In quantum mechanics, hidden-variable theory attempts to explain those seemingly random quantum phenomena.

Highly specialized scientific terminology (隐变量理论, 量子力学).

8

只有将文化背景作为核心变量纳入考量，跨国并购的整合方案才能真正落地。

Only by taking cultural background into consideration as a core variable can the integration plan of cross-border M&A truly be implemented.

Using 只有...才... (only if... then...) and 将...纳入考量 (take... into consideration).

1

历史的演进往往并非线性，那些看似微不足道的边缘变量，往往能在关键节点引发范式转移。

The evolution of history is often not linear; those seemingly insignificant marginal variables can often trigger a paradigm shift at critical junctures.

Philosophical/historical discourse using 往往并非 (often not) and 范式转移 (paradigm shift).

2

在构建复杂自适应系统模型时，如何优雅地处理内生变量与外生变量的耦合关系，是学界面临的终极考验。

When building models of complex adaptive systems, how to elegantly handle the coupling relationship between endogenous and exogenous variables is the ultimate test facing the academic community.

Extremely advanced academic syntax and vocabulary (内生/外生变量, 耦合关系).

3

这位作家的叙事手法极为高超，他将人物的道德困境设定为推动情节发展的唯一独立变量。

The writer's narrative technique is extremely masterful; he sets the moral dilemma of the characters as the sole independent variable driving the plot forward.

Literary criticism context using 设定为 (set as) and 推动情节发展 (drive the plot forward).

4

政策制定者若沉迷于静态的数学模型，而忽视了社会心理这一充满非理性色彩的隐性变量，必将招致惨痛的失败。

If policymakers become addicted to static mathematical models and ignore social psychology—a hidden variable full of irrational colors—they will inevitably incur a bitter failure.

Using 若 (if), 沉迷于 (addicted to), and 必将招致 (will inevitably incur).

5

在解构现代性危机的语境下，技术异化已不再是外在的冲击，而是内化为重塑人类生存状态的核心变量。

In the context of deconstructing the crisis of modernity, technological alienation is no longer an external shock, but has internalized into a core variable reshaping the human condition.

Sociological/philosophical jargon (解构, 现代性危机, 技术异化, 内化).

6

金融衍生品市场的脆弱性在于，其定价模型往往低估了极端尾部风险这一致命变量的破坏力。

The fragility of the financial derivatives market lies in the fact that its pricing models often underestimate the destructive power of extreme tail risk, a fatal variable.

Advanced financial terminology (衍生品, 尾部风险, 定价模型).

7

语言的演变是一个充满随机变量的马尔可夫过程，任何试图人为框定其发展轨迹的努力都是徒劳的。

The evolution of language is a Markov process full of random variables; any effort attempting to artificially frame its developmental trajectory is futile.

Linguistic/mathematical metaphor using 马尔可夫过程 (Markov process) and 徒劳的 (futile).

8

面对气候变化这一关乎人类存亡的宏大命题，没有任何一个国家能够独善其身，因为全球生态系统中的变量是高度牵连的。

Facing the grand proposition of climate change, which concerns the survival of humanity, no single country can remain aloof and intact, because the variables in the global ecosystem are highly implicated with one another.

Using idioms (独善其身) and formal rhetorical structures (关乎...的命题).

Sinônimos

变数 因素 参数 指标

Antônimos

常量 恒量

Colocações comuns

控制变量
引入变量
声明变量
定义变量
关键变量
环境变量
随机变量
局部变量
全局变量
消除变量

Frases Comuns

最大的变量
不可控变量
唯一的变量
存在很多变量
变量分析
控制其他变量
作为一个变量
忽略这个变量
改变自变量
测量因变量

Frequentemente confundido com

变量 vs 变化 (biànhuà) - Change (noun/verb). 变化 is the phenomenon; 变量 is the specific factor that changes.

变量 vs 变数 (biànshù) - Unpredictable factor. Often used interchangeably in casual speech, but 变数 is more literary and less scientific than 变量.

变量 vs 参数 (cānshù) - Parameter. A parameter is usually fixed for a specific case, while a variable changes.

Expressões idiomáticas

"瞬息万变"
"千变万化"
"变幻莫测"
"白云苍狗"

Fácil de confundir

变量 vs

变量 vs

变量 vs

变量 vs

变量 vs

Padrões de frases

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Como usar

programming

In mainland China, developers use 变量 (biànliàng). In Taiwan, the term 變數 (biànshù) is often used for the exact same programming concept.

academic vs casual

While strictly a mathematical/scientific term, 变量 is widely accepted in casual speech among educated adults to mean 'unpredictable factor'.

collocation warning

Do not say '发生变量' (a variable happened). Say '出现变量' (a variable appeared) or '变量发生变化' (the variable changed).

Erros comuns
  • Confusing 变量 (variable) with 变化 (change). Example of error: 天气变量很大 (Weather variable is big). Correct: 天气变化很大 (Weather changes a lot).
  • Using 变量 as a verb. Example of error: 价格变量了 (Price variabled). Correct: 价格变化了 (Price changed).
  • Using the wrong measure word. Example of error: 一条变量 (One strip of variable). Correct: 一个变量 (One variable).
  • Confusing 变量 with 参数 (parameter) in technical contexts. Parameters are usually fixed for a specific run, variables change.
  • Overusing 变量 in highly emotional or poetic contexts where 变数 (unpredictable fate/factor) would be more stylistically appropriate.

Dicas

Noun Only

Never use 变量 as a verb. It is a noun representing a factor. Use 改变 or 变化 for the action of changing.

Common Verbs

Pair 变量 with verbs like 控制 (control), 引入 (introduce), and 定义 (define). This makes your Chinese sound highly professional.

Double Fourth Tone

Practice saying biàn liàng with two sharp falling tones. It sounds assertive and clear, fitting for an academic word.

Business Metaphor

Use 变量 in business meetings to describe risks. Saying '这是一个大变量' shows you are analytical and cautious.

Coding Vocabulary

If you work in tech, memorize 局部变量 (local variable) and 全局变量 (global variable). They are used daily in Chinese tech companies.

Lab Terminology

Remember the trio: 自变量 (independent), 因变量 (dependent), and 控制变量 (control). Essential for reading Chinese research papers.

Use 个 (gè)

Always use 个 when counting variables. '三个变量' is correct. Do not overcomplicate it with other measure words.

Academic Writing

In essays, use 变量 to replace simpler words like 事情 (things) or 方面 (aspects) when discussing measurable factors to elevate your tone.

变量 vs 因素

Use 因素 for general reasons or elements. Reserve 变量 for factors that can be measured, quantified, or explicitly changed.

Literal Meaning

Break it down: 变 (Change) + 量 (Amount). A variable is simply an amount that changes. This literal translation is foolproof.

Memorize

Mnemônico

Imagine a chameleon (变 - change) sitting on a measuring cup (量 - quantity). The chameleon changes colors just like a variable changes its value.

Origem da palavra

A modern compound word created to translate Western scientific and mathematical concepts. 变 (biàn) means 'to change' and 量 (liàng) means 'quantity' or 'capacity'.

Contexto cultural

Chinese education places a heavy emphasis on STEM subjects. Therefore, terms like 变量 are deeply ingrained in the minds of students from a young age, making mathematical metaphors very common in adult conversation.

The phrase '拥抱变化' (embrace change) is a famous core value of Alibaba. In this culture, identifying and managing '变量' is seen as a crucial skill for survival and success in the fast-paced tech world.

Pratique na vida real

Contextos reais

Iniciadores de conversa

"你觉得影响房价的最大变量是什么？ (What do you think is the biggest variable affecting housing prices?)"

"在你的代码里，这个变量是用来做什么的？ (In your code, what is this variable used for?)"

"如果我们要办户外婚礼，天气这个变量怎么控制？ (If we are having an outdoor wedding, how do we control the weather variable?)"

"你认为人工智能的发展会给社会带来哪些新的变量？ (What new variables do you think the development of AI will bring to society?)"

"做决定时，你会如何评估那些未知的变量？ (When making decisions, how do you evaluate those unknown variables?)"

Temas para diário

Describe a time when an unexpected 'variable' changed your plans completely.

If your life was an experiment, what would be the independent variable and the dependent variable?

Write a short paragraph explaining the concept of a variable to a child.

Analyze a recent news event and identify the key variables that led to the outcome.

In language learning, what are the variables that affect your progress?

Perguntas frequentes

10 perguntas

No, 变量 is strictly a noun. It refers to the 'thing' that changes (the variable). If you want to express the action of changing, you should use verbs like 变化 (biànhuà) or 改变 (gǎibiàn). For example, you cannot say '天气变量了', you must say '天气变化了'.

These are scientific terms used in experimental design. 自变量 (zìbiànliàng) is the 'independent variable'—the factor that you purposely change or manipulate. 因变量 (yīnbiànliàng) is the 'dependent variable'—the factor that you measure, which changes as a result of the independent variable. Remembering '自' (self/independent) and '因' (cause/result) helps distinguish them.

Originally, yes, it was a technical term for math, science, and programming. However, in modern Chinese, it is very commonly used in business, economics, and everyday life as a metaphor. People use it to describe any unpredictable factor or uncertainty in a plan, such as saying 'weather is a big variable for our trip'.

The most common and correct measure word to use with 变量 is 个 (gè). You can say 一个变量 (one variable), 两个变量 (two variables), or 几个变量 (several variables). Avoid using measure words for physical objects like 条 or 张.

In the context of computer programming, the standard phrase for 'declare a variable' is 声明变量 (shēngmíng biànliàng). If you mean 'define a variable', you use 定义变量 (dìngyì biànliàng). To 'assign a value to a variable' is 给变量赋值 (gěi biànliàng fùzhí).

The direct antonym of 变量 (variable) in mathematics and programming is 常量 (chángliàng), which translates to 'constant'. A 常量 is a value that is fixed and does not change during the execution of a program or within a specific mathematical equation.

In casual conversation or literary contexts, yes. 变数 (biànshù) also means an unpredictable factor or variable. However, 变量 sounds more objective, scientific, and analytical. If you are writing code or a research paper, you must use 变量. If you are talking about the unpredictable nature of life, 变数 is often preferred.

Both characters are pronounced with the fourth tone (falling tone): biàn liàng. It is important to emphasize the falling tone on both syllables to sound clear and authoritative. Do not let the second syllable become a neutral tone.

控制变量 (kòngzhì biànliàng) means 'to control variables' or 'control variable'. It is a fundamental concept in scientific experiments where you keep all other factors constant to test the effect of one specific independent variable. It is a very common phrase in Chinese academic settings.

The character 量 (liàng) means 'quantity', 'amount', or 'capacity'. In mathematics and science, a variable is essentially a quantity that can change its value. Therefore, combining 变 (change) with 量 (quantity) perfectly creates the logical meaning of a 'changing quantity' or 'variable'.

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