polygonsn.多边形；多角形名词polygon的复数形式.polygonn.多边形polygonal element多边形单元polygonal-shape折线形Polygonum glabrumn.光蓼polygonal network导线网polygonal lattice多边网格polygons matching多边形匹配polygon algorithm复合形法Polygonal product多边形积polygonal support多角形支柱polygon of forces力多边形