19 117.57296 40.084835 117.77591 40.011112 170117 6.28918387818941E7 50080.82609847979 280 170117 低海拔冲积平原 SMID SMSDRIW SMSDRIN SMSDRIE SMSDRIS SMUSERID SMAREA SMPERIMETER SMGEOMETRYSIZE ID GEO_TYPE 19