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使用全站仪进行坐标测量工作，首先需进行测站点设置及后视方向设置，在测站点瞄准后视点后，其方向值应设置为（）。

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使用全站仪进行坐标测量工作，首先需进行测站点设置及后视方向设置，在测站点瞄准后视点后，其方向值应设置为（）。

A.测站点至后视点的方位角

B.0°

C.后视点至测站点的方位角

D.90°

参考答案:

答案：A

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