radio detection and ranging meaning in Chinese

无线电定向与测距
无线电探测和测距
无线电探测与测距雷达
无线电侦察与测距

The original radar combined these two things, as its english name radar showed: radio detection and ranging .
最初的雷达正如它的英文名称“雷达”（RADAR）所表示的那样，包括两个方面：无线电测物和测距。
The original radar combined these two things , as its english name radar showed : radio detection and ranging
最初的雷达正如它的英文名称“雷达” （ radar ）所表示的那样，包括两个方面：无线电测物和测距。
Radar ( radio detection and ranging ) detect the objects in the space and estimate the objects " parameters , such as distance , azimuth , angle of elevation , velocity , by transmitting radio wave . in national economy , it is used in navigation , weather forecast , geological mapping , military affairs and so on
雷达利用发射的无线电波探测空间中的物体并确定其距离、方位角、仰角、速度等各项参数，广泛应用于导航、气象预报、地质测绘、军事等领域。