1) the polygon area method
多边形面积法
1.
The water quality of several rivers,eutrophication degree of 16 lakes,and air environmental quality of several cities were evaluated by the polygon area method,and the evaluation results had a good identical to other evaluation method.
本文提出了环境质量综合评价的多边形面积法。
3) area of union polygon
并集多边形面积
5) polygon area formula
多边形面积公式
6) polygonal cross-section method
多边形截面法
补充资料：多边
由三个或更多方面参加的，特指由三个或更多国家参加的：～会谈ㄧ～条约ㄧ～贸易。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条