单项选择题
自水准点M(HM=100.000m)经8个站测至待定点A,得hMA=+1.021m;再由A点经12个站测至另一水准点N(HN=105.121m),得hAN=+4.080m,则平差后的A点高程为()。
A.101.029m
B.101.013m
C.101.031m
D.101.021m
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单项选择题
A.101.029m
B.101.013m
C.101.031m
D.101.021m
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