datum mark of horizontal displacement
... 水平位移补偿装置 horizontal displacement compensator 水平位移基点 datum mark of horizontal displacement 水平位移观测 horizontal displacement observation ...
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以三峡工程水平位移监测全网(基点检验网)倒垂测点IP13BZA为例,给出了相应的计算示例。
As an example of inverse plumb surveying point IP13BZA in the Three Gorges dam horizontal displacement monitoring net, this paper demonstrates how to calculate it with this method.
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