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问题详情

水平角观测时，各测回间改变零方向度盘位置是为了削弱()误差影响。

A、视准轴

B、横轴

C、指标差

D、度盘分划

时间：2021-07-17 22:10 关键词：建筑工程类造价师二级造价师测量员考试测量专业实务真题一

答案解析

D

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