而且要提到的是，现今社会出现一个日益增长的癖好者的群体，他们偏好将卫星定位装置、摄像装置以及其它传感器装备在远程操控的飞机上，这样飞机也就成了无人机。

And there is a growing community of hobbyists who attach satellite-positioning units, cameras and other sensors to remote-controlled aircraft, turning them into UAVs.

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偏好的替代动力传动装置·替代燃料车的类型？有很大成长可能性的市场？

Which types of alternative powertrains and alternative fuel vehicles are preferred, and which have a higher growth potential in these markets?

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