These traffic surveillance cameras, capable of detecting what's happening to road situation with good quality live feeds, were installed at various cross-roads in the town.

此次新安装的视频监控设备均位于该小镇主要的交通干道十字路口处，高清的画面能够对路面情况提供直观清晰的反映。

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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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Employers may find themselves competing with each other for the best workers with promises not to monitor their e-mail traffic or web-browsing habits, or by offering strict limits on the use of corporate surveillance cameras.

ECONOMIST: Through a glass darkly

Do not ever provide a service over the web that controls something critical (house lights, surveillance cameras, bank accounts, car lock-out devices, street signs, traffic lights, bank accounts, stock trading accounts, etc.) without having at least rudimentary controls in place.

FORBES: Keep Austin Weird, But Use Good Password Controls