单项选择题
英文Radar 的音译,源于()的缩写,原意是“无线电探测和测距”,即用无线电方法发现目标并测定它们在空间的位置。
A.Radio Detection and Ranging
B.Radio Detective and Raise
C.Radio Detection and Raise
D.Radio Detective and Ranging
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单项选择题
A.Radio Detection and Ranging
B.Radio Detective and Raise
C.Radio Detection and Raise
D.Radio Detective and Ranging
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