closed-circuit television
柯林斯词典
1. N a television system in which signals are transmitted from a television camera to the receivers by cables or telephone links forming a closed circuit, as used in security systems, etc 閉路電眡
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closed-circuit television
剑桥词典
- a system that sends television signals to a limited number of screens and is often used in shops as protection against thieves
閉路電眡（常設置於商店以防竊賊） 返回 closed-circuit television