The cylinder itself contains a small digital camera, a radio transmitter, an induction-powered charging device to provide electricity and an "orientation actuator".

圆柱体本身含有一个微型数码摄像头，一个无线电发射器，一个感应动力的发电装置，以及一个方位驱动器。

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The operation principle of marine navigation radar is deeply analyzed in this project, including the basic principle of radio, impulse radar and radio-range orientation.

本课题详细分析了船舶导航雷达的工作原理，包括电磁波工作特性、脉冲雷达基本原理以及雷达定位的工作原理。

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The chromed plastic volume rocker, power button and screen orientation lock switch nestled in the plastic radio reception strip at the top of the device are decidedly less luxurious, however -- the travel of each was shallow, and the finish on the plastic appeared a bit cheap to our eyes.

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