问题
单项选择题
In radar plotting C.P.A.is the abbreviation of（）.
A.closest point to approach
B.close point to approach
C.crossing point to approch
D.coming point to approach
答案
参考答案：A
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In radar plotting C.P.A.is the abbreviation of（）.
A.closest point to approach
B.close point to approach
C.crossing point to approch
D.coming point to approach
参考答案：A