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第1(单选) 地面两点的连线、测站点至两个观测目标点连线的夹角,在( )上投影才能分别得到水平距离和水平角。
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第1(单选) 地面两点的连线、测站点至两个观测目标点连线的夹角,在( )上投影才能分别得到水平距离和水平角。
A、准面
B、平面
C、考椭球面
D、地水准面
时间:2021-09-06 20:38
关键词:
和学
华北水利水电大学远程与继续教育学院
地形测量
答案解析
B
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第1(单选) 地面两点的连线、测站点至两个观测目标点连线的夹角,在( )上投影才能分别得到水平距离和水平角。
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