问题 单项选择题

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:()

A.45.534m,43.251m

B.40.968m,38.685m

C.44.251m,41.968m

D.42.251m,39.968m

答案

参考答案:C

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