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。
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