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isopiestic adj.示等壓的。n.等壓線(=isobar)。

isopleth

The optimization system of water supply networks is very complicated . it deals with lots of factors from the process of networks “ modeling , node demand calculation , initial flow distribution , and the optimal design to the drawing of pipe networks and isopiestic line . the total effect will be better if amelioration is imposed on each part of these processes 給水管網優化系統是一個比較復雜的系統,從管網的建模、節點流量的計算、初始流量的分配、優化計算到管網圖形和等水壓線的繪制,涉及的因素很多,任何一部分的改進與完善都有利于整體優化效果的提高。

The article includes three parts , which discuss networks “ optimal design , networks “ drawing process , and plot methods of isopiestic line respectively 文章分三部分分別論述了管網的優化計算、管網圖形的繪制和等壓線圖的繪制方法。

Finally this paper adopts a novel triangle gridding partition method in plotting isopiestic line 最后在給水管網的基礎上繪制等壓線,并提出了一種新的三角網格劃分方法及等壓線的繪制方法。