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水准测量中,仪器视线高应为( )。

单选题
2021-07-17 23:39
A、后视读数+后视点高程
B、前视读数+后视点高程
C、后视读数+前视点高程
D、前视读数+前视点高程
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正确答案
A

试题解析

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