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![Radar - Wikipedia, the free encyclopedia](https://www.iarticlesnet.com/pub/img/site/s_34.jpeg)
Radar - Wikipedia, the free encyclopedia
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日期:2024-08-29
Radar is an object-detection system that uses radio waves to determine the range, altitude, direction, or speed of objects. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather ......看更多