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.
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。
In this paper, the tracing and the calculation method of the point of intersection of isopleth and net line are developed.
本文讨论了等值线与网格线交点的追踪和计算方法。
Optimal method for net point number;
网点编号的优化办法。
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