In the process of setting the reference point, we must carefully check the location of the layout point, do a good job of record and identification, and facilitate the completion of acceptance.

基准点设置过程中，一定要仔细核对布置点的准确位置，做好记录和标识，便于进行竣工验收。

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With regard to low coverage ratio of urban rail transit, this paper introduces network mark to record the railway layout.

本文针对我国城市轨道交通网络覆盖率低的特点，提出采用网络标识确定轨道交通的空间布局。

youdao

With regard to low coverage ratio of urban rail transit, this paper introduces network mark to record the railway layout.

本文针对我国城市轨道交通网络覆盖率低的特点，提出采用网络标识确定轨道交通的空间布局。

youdao