Security experts say it is pretty clear that the law empowers police to demand that phone companies hand over traffic information.
安全专家表示，显然法律规定警察有权要求通讯公司交出通讯信息。
A huge video screen displayed everything from traffic maps and energy use to weather information and pictures from security cameras.
一个巨大的显示屏，展示的信息包罗万象，如交通图、能源使用、天气信息以及安保摄像机发来的图片。
The ARM-based traffic information detection and security measures are very useful for drivers where is easy to overlook the risks of traffic accidents.
基于ARM的路况信息监测和安全措施，在一些不容易被驾驶员发现和容易忽略的道路交通隐患状况下是非常有用的。
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