Terms for subject Surveying containing polygons

English	Chinese
adjustment by method of polygon	多边形平差法
overlaid polygon	叠置多边形
polygon analysis	多边形分析
polygon line	折线
polygon segmenting	多边形分割
proper leaking polygon	不闭合多边形
proximity polygon	邻近多边形
re-entrant polygon	凹多边形
sliver polygon	狭缝多边形