The model isdebugged and validated by the data observed, so it is proved suitable to simulate river network discharge, water level and contamination concentration.

模型利用实测资料进行模型率定与验证，证明该模型基本合理，能够模拟河网各河道的流量、水位与浓度。

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Establish feature-based components graphics library, developed hydraulic system chart editor. Explain the automatic establishment method of hydraulic system contamination control mathematical model.

建立了基于特征的元件图形库，编制了液压系统原理图编辑器，提出了自动生成液压系统污染控制数学模型的方法。

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So the model was simplified without consideration of the viscosity variation, and an equation for contamination concentration distribution caused by elevation difference was developed.

在此基础上简化模型，推导出了高差混油浓度分布的基本方程。

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