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[单选题]
已知A点高程HA=60.543m,水准仪观测A点标尺的读数a=1.524m,则仪器视线高程为()。
A.60.019
B.63.067
C.59.019
D.62.067
查看答案
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A.60.019
B.63.067
C.59.019
D.62.067
A.hAB=- 0.304m
B.后视点比前视点高
C.若A点高程HA= 202.016m,则视线高程为 203.140m
D.后视点比前视点低
E.若A点高程HA= 202.3016m,则前视点高程为 202.320m