M点的高程为43.251m,测得后视读数为a=1.000m,前视读数为b=2.283m,则视线高Hi和待测点B的高程分别为()m。
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M点的高程为43.251m,测得后视读数为a=1.000m,前视读数为b=2.283m,则视线高Hi和待测点B的高程分别为()m。
A.45.534,43.251
B.40.968,38.685
C.44.251,41.968
D.42.251,39.968
参考答案: