epsg 发表于 2018-07-04 更新于 2021-01-29 常用坐标对应的EPSG编号cgcs2000_geo: 4490cgcs2000_3_gk_117E: 4548cgcs2000_3_gk_120E: 4549cgcs2000_3_gk_123E: 4550wgs84_geo: 4326web_mercator_auxiliary_sphere: 3875web_mercator(google): 3785