黄土高原边界shapefile文件, WGS_1984_Albers Projected Coordinate System: WGS_1984_Albers Projection: Albers False_Easting: 4000000.00000000 False_Northing: 0.00000000 Central_Meridian: 105.00000000 Standard_Parallel_1: 25.00000000 Standard_Parallel_2: 47.00000000 Latitude_Of_Origin: 0.00000000 Linear Unit: