·2,447,543篇论文数据,部分数据来源于NoteExpress
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。
youdao
应用推荐
模块上移
模块下移
不移动