ground control point

• 地面控制点

ground control point的用法和样例：

例句

1. Usually for a precise survey control points are established by triangulation.
   通常对于精确的测量，控制点是根据三角网来定位的。
2. Necessity and measures of installation of control point for engineering quality in overhauling metallurgical equipment.
   冶金企业设备检修工程中设置质量控制点的必要性和措施。