union   Takestwoormorepolygonsandreturnsacombinedpolygon.Iftheinputpolygonsarenotcontiguous,thisfunctionreturnsaMultiPolygonfeature.获取两个或多个多边形，并返回一个组合多边形。如果输入的多边形不是连续的，这个函数将

参考：Convertinglistofpolygonstomultipolygonusingshapely?MultiPolygon->Polygonlistlist(multiPoly.geoms)Polygonlist->MultiPolygonshapely.geometry.MultiPolygon([poly1,poly2,poly3,poly4,poly5]) 

WKT用于表示矢量的几何空间图形  点：POINT(11)线：LINESTRING(34,1050,2025)面：POLYGON((11,51,55,15,11),(22,23,33,32,22))多点：MULTIPOINT(3.55.6,4

参考：HowtoextractPolygonsfromMultipolygonsinShapely?代码：Polygons=list(Multipolygon.geoms)直接用list的话会报错