问题
单项选择题
Radar is not only to obtain（）,but also to measure their distance away from you.
A.brightness of obtain
B.color of targets
C.shape of targets
D.bearing of objects
答案
参考答案：D
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Radar is not only to obtain（）,but also to measure their distance away from you.
A.brightness of obtain
B.color of targets
C.shape of targets
D.bearing of objects
参考答案：D