试题与答案

当各测站高差的观测精度相同时,水准测量高差的中误差与距离的()成正比。A、平方根;

题型:单项选择题

题目:

当各测站高差的观测精度相同时,水准测量高差的中误差与距离的()成正比。

A、平方根;

B、平方;

C、立方根;

D、立方。

答案:

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