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16、以經緯儀進行觀測時,下列何種誤差無法利用正倒鏡觀測取平均進行消除?(A)儀器產生視準軸偏心誤差(B)橫軸不垂直於直立軸(C)視準軸不垂直於橫軸(D)水準管軸不垂直於直立軸 。
問題詳情
16、以經緯儀進行觀測時,下列何種誤差無法利用正倒鏡觀測取平均進行消除?
(A)儀器產生視準軸偏心誤差
(B)橫軸不垂直於直立軸
(C)視準軸不垂直於橫軸
(D)水準管軸不垂直於直立軸 。
參考答案
答案:D
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