Therefore, most of researchers have studied the driver's monitoring method based on machine vision by vehicle-mounted cameras.

许多研究者利用车载摄像机系统进行驾驶员视觉监测技术的研究。

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The machine can be mounted bicycles, tricycles, electric vehicles can be used as electric vehicle battery power is not enough to use.

自行车发动机，微型汽油机本机可装自行车，三轮车，电动车可作为电动车电池电力不够时使用。

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Disregarding intense enemy fire now concentrated on their lone vehicle, Corporal Meyer killed a number of enemy fighters with the mounted machine guns and his rifle -- some at near point-blank range -- as he and his driver made three solo trips into the ambush area.

WHITEHOUSE: The White House