这些汽车利用一套包括视频摄像机、雷达传感器和激光测距仪在内的控制系统侦测道路上的其他车辆，同时按照由普通汽车驾驶员制定的预先设定路线行驶。
They use a system of video cameras, radar sensors and laser range-finders to detect other vehicles, while following a pre-set route mapped out by drivers in ordinary cars.
其中包括一些能够自动避免事故的设备，这些设备通过使用wi-fi无线网络信号，让驾驶员知道附近其他车辆的位置，还可以侦测到转弯处有无来车，以提醒驾驶员进行避让，避免车祸。
Some are accident-avoidance devices that use wi-fi signals to let drivers know where other cars are and to see around corners to give drivers a warning about an impending collision.
通过前述的侦测方法，使侦测影像撷取装置的位置变得简单以及准确，进而提高车辆碰撞警示系统使用的便利性。
The detection method makes sure detection of the position of the video capture device simple and accurate, so as to provide more convenience for the use of the vehicle collision warning system.
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