| 释义 |
closed-circuit television
释义
闭路电视：一种由电视摄像机组成的系统，通过电缆连接到控制室，用于监视和监控。
例句
1·There's a closed -circuit television camera in the reception area.
接待处有一台闭路电视摄像机。
《柯林斯英汉双解大词典》
2·Researchers observed the children via closed -circuit television and recorded their activities.
研究者通过闭路电视观察孩子们的行为。
3·Male professors teach female university students from separate rooms using closed -circuit television .
在女子大学，男性教授要通过闭路电视系统，在单独的一个房间里教导学生。
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