Closed Loop Television
英
美
- 闭路电视
双语例句
- There is a closed circuit television and hi-fi system in the room.
房内有闭路电视和高保真音响。 - In education,closed-circuit television makes it easy for a whole class to see everything a teacher demonstrates.
在教育方面，闭路电视能使全班同学易于看清教师所演示的一切。
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