With the engineering survey control network, authors made a high precision orientation, measuring and control to basement, mine gallery wall of CSR beam loop by polar coordinates with total station.
采取工程测量控制网，对冷却储存环“S”形束流环的基础、坑道墙，采用全站仪按极坐标法进行高精度定位、测控。
The article expounds the establishment method, establishment process, establishment principles and points for attention of the three dimensional control network in GPS highway engineering survey.
阐述了GPS公路勘测三维控制网的构建方法、构建过程、构建原则及注意事项。
The article expounds the establishment method, establishment process, establishment principles and points for attention of the three dimensional control network in GPS highway engineering survey.
阐述了GPS公路勘测三维控制网的构建方法、构建过程、构建原则及注意事项。
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