C2 noun #85,073 最常用

A usually plastic card which stores a digital signature that is used to operate an electronic access control lock.

keycard 30秒了解

  • (noun) A usually plastic card which stores a digital signature that is used to operate an electronic access control lock.

Meanings

  1. 1
    noun A usually plastic card which stores a digital signature that is used to operate an electronic access control lock.

近义词

card key
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