D点高程Hm=43.251m,测得后视读数a=1.000m,前视读数b=2.283m
题型:单项选择题
问题:
D点高程Hm=43.251m,测得后视读数a=1.000m,前视读数b=2.283m。则视线高Hi和待求点N的高程分别为( )。
A.45.534m,43.251m
B.44.251m,41.968m
C.40.968m,38.685m
D.42.251m,39.968m
D点高程Hm=43.251m,测得后视读数a=1.000m,前视读数b=2.283m。则视线高Hi和待求点N的高程分别为( )。
A.45.534m,43.251m
B.44.251m,41.968m
C.40.968m,38.685m
D.42.251m,39.968m