1954 Beijing Coordinate System
Local Coordinate System
地方坐标
地方坐标系
局部坐标系
地方坐标系统
局部坐标系统
区域坐标系统
坐标变换
Beijing 1954 coordinate system
Beijing Geodetic Coordinate System 1954
Western Hills of Beijing Beijing
Local coordinate translation
local Gauss coordinate system
1980 National Coordinate System
1980 Xi’an coordinate system
2000 Chinese Geodetic Coordinate System CGCS2000
2000 National Geodetic Coordinate System
3D cartesian coordinate system
3D geocentric coordinate system