M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HN分别为( )。
A45.534m;43.251m
B40.968m;38.685m
C44.251m;41.968m
D42.251m;39.968m
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M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HN分别为( )。
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已知水准点高程HM=43.251m,测得后视读数a=1.000m,前视读数b=2.283m。则视线高 H、N点对M点的高差hMN和待求点N的高程HN分别为( )
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M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:
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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。
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M点高程HM = 43. 251m,测得后视读数a=1. 000m,前视读数b=2. 283m。则N点对M点的高差hMN和待求点N的高程HN分别为: