a closed-circuit television system used to maintain close observation of a person or group
surveillance system 30초 만에
- (noun) a closed-circuit television system used to maintain close observation of a person or group
Meanings
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1
noun a closed-circuit television system used to maintain close observation of a person or group
Summary
a closed-circuit television system used to maintain close observation of a person or group
- (noun) a closed-circuit television system used to maintain close observation of a person or group
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