题目内容
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[主观题]
某地区采用独立的假定高程系统,已测得ABCH′B=±0.000m,H′C=-3.254m。今由国家水准点引测,求得三点的假定高程为:H′A′=6.500m,A点高程为HA=417.504m,试计算B点、C点的绝对高程是多少?
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A.7mm
B.8mm
C.9mm
D.10mm
E.11mm
F.18mm
A.70.8mm
B.129.8mm
C.141.6mm
D.188.8mm
E.413mm
A.7mm
B.8mm
C.9mm
D.10mm
E.11mm
F.12mm
A.7mm
B.8mm
C.9mm
D.10mm
E.11mm
F.12mm