国家 2000 坐标系 CGCS2000（EPSG4490 和 EPSG4479）参数 - 中国大地坐标系 2000（CGCS2000）经纬度坐标系

Unit: degree (supplier to define representation)

Geodetic CRS: China Geodetic Coordinate System 2000

Datum: China 2000

Ellipsoid: CGCS2000

Prime meridian: Greenwich

Data source: OGP

Information source: EPSG. See 3D CRS for original information source.

Revision date: 2012-01-05

Scope: Horizontal component of 3D system.

Remarks: Adopted July 2008. Replaces Xian 1980 (CRS code 4610).

Area of use: China - onshore and offshore.

Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree

Center coordinates
104.19500000 35.13000000

WGS84 bounds:
73.62 16.7
134.77 53.56

Well Known Text (WKT)：

GEOGCS["China Geodetic Coordinate System 2000",
    DATUM["China_2000",
        SPHEROID["CGCS2000",6378137,298.257222101,
            AUTHORITY["EPSG","1024"]],
        AUTHORITY["EPSG","1043"]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4490"]]