二维坐标系相对性原理
Principium of Plane Coordinate Relativity
3维坐标
three-dimensional coordiantes
二坐标中子衍射仪
two-coordinate neutron diffractometer
光目标坐标方位仪
optical target coordinator
集团坐标轮换法
Method of dique coordinate transformation
监测点三维坐标
the three-dimensional coordinates of the moitoring
空间三维坐标
spatial three-dimensional coordination