closed circuit television cctv system
采购产品中文名： CCTV系统 采购产品英文名： Closed circuit television CCTV system 采购要求： 采购截止日期： 2013/1/29 添加日期： 2013/1/16 相关产品： 空调服务Air conditioning in
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closed circuit television cctv system
闭路电视闭路电视系统
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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By the end of 1997, 308 signalised junctions on Hong Kong Island were under the ATC system and 40 closed circuit television (CCTV) cameras were in use for traffic surveillance.
年底时，港岛区有308个路口由区域交通控制系统控制，并有40部闭路电视摄影机，用以监察交通情况。
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