[计算题,10分] 如图所示,在水准点BM1至BM2间进行水准测量,试在水准测量记录表中(见下表)。

[计算题,10分] 如图所示,在水准点BM1至BM2间进行水准测量,试在水准测量记录表中(见下表)。进行记录与计算,并做计算校核(已知BM1=138.952m,

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