China Geodetic Coordinate System 2000 (CGCS2000) is national new geocentric coordinate system of China,it has been adopted nearly 7 years since July 1,2008,and it is being applied fully in different fields.The progress made in the construction CGCS2000 framework was reviewed in this paper,the refinement of CGCS2000 framework was introduced,and especially the plate motion model and grid velocity field model which modeled in the CGCS2000 frame maintaining were focused on description,the update recommendation about CGCS2000 frame was given at the end of this paper.
China Geodetic Coordinate System 2000the system construction of CGCS2000development
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