"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"
正确答案是B
"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"
正确答案是B