问题
单项选择题
Radar makes the most accurate determination of the（）.
A.direction of a target
B.distance to a target
C.size of a target
D.shape of a target
答案
参考答案：B
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Radar makes the most accurate determination of the（）.
A.direction of a target
B.distance to a target
C.size of a target
D.shape of a target
参考答案：B