英语词汇“closed-circuit tv surveillance system”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	closed-circuit tv surveillance system
释义	closed-circuit TV surveillance system closed-circuit TV surveillance system A system comprised of a TV camera and a monitor connected by a coaxial cable; designed to provide visual surveillance; often an important adjunct to a building security system.
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closed-circuit TV surveillance system