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水准测量中，设A点为后视点，B点为前视点。A点的高程是45.382m，后视读数为1.202m，前视读数为1.302m，则B点的高程是（）m。

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A、44.18

B、44.482

C、45.182

D、45.282

参考答案:

D

B点高程=A点高程十后视读数一前视读数=45.382+1.202-1.302-45.282(m)。

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