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1·Water quality model for the river network has been studied in this paper.

本文研究了河网水质数学模型。

2·West river North river, river network horizon, the boat ran high, lion dancers Huan.

西江北江，河网纵横，龙舟激昂，狮舞人欢。

3·Taihu basin belongs to plain river network and river systems are connected with each other.

太湖流域属于平原河网区，水系相五连通。

4·The research on regional water supply measurement technology in the plain river network was brought forward.

本文在前人研究的基础上，率先提出在平原河网地区进行区域供水计量技术研究。

5·Because the simulation range of river network is wide, the water quality is mostly simulated in numerical method.

由于河网的模拟范围很大，多数情况下只能采用数值方法进行水质模拟。

6·The hydrological process of the river network in Pearl River Estuary has a typical characteristic of nonlinearity.

珠江河口网河区的水文过程具有典型的非线性特征。

7·The model is used to calculate water level and dis-charge of river network with tidal level as independent variable.

该模型根据潮水位的变化，模拟河网的水位和流量变化过程。

8·Based on the confluences of the different rank streams, a dynamical model of sediment transport on river network is proposed.

基于不同级别支流的汇流建立了枯水期河流网上的泥沙冲淤动力学模型。

9·The concepts concerning environmental management for water source protection in plain river network were defined and discussed.

提出中国东部平原河网地区水源地环境管理的概念及内涵。

10·Based on the water quality model for tidal river network, the computational method of aquatic environmental capacity was improved.

基于感潮河网水质模型，完善了其水环境容量的计算方法。