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.
大眼睛闪烁仪的这个价位对于诸如在印度的普通农民来说，实在是太昂贵了。
That price obviously puts large aperture scintillometers out of the reach of the average farmer in, say, India.
顺便提一下，大家可能想问：排队等待安检的普通旅客能看出这两种扫描仪的区别吗？
By the way, you might be wondering: Can the average traveler standing in a security line tell the difference?
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