unit elements of projective coordinate system
zero element of projective coordinate system
projective system matrix
1954 Beijing 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
a new fo rm of geodesic coordinate system
absolute coordinate system
abundance coordinate system
admissible coordinate system
affine coordinate system