radio detecting and ranging radar
无线电探测和测距雷达
以上为机器翻译结果，长、整句建议使用 人工翻译 。
A device to find objects that cannot be seen called Radio Detecting and Ranging became Radar.
“装置找到对象，不能被所谓的无线电探测和测距，成为”雷达。
youdao
Radar in itself is actually an acronym that stands for RAdio Detecting and Ranging.
雷达本身实际上是首字母缩写词，代表着无线电探测和范围。
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