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。

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。

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。

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。

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。

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。

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。

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。

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。

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。

At first, plain river network region and its hydrologic characteristics and the current situation of design water research are elaborated.

论文首先阐述了平原河网地区及其水文特性，以及该地区设计水位计算的研究现状。

Based on specific characteristics of river network in Duhu town of Taishan city, Guangdongprovince, a unsteady outflow model is established.

根据广东省台山市都斛镇灌排河网的特点，建立了河网非恒定出流数学模型。

In the 1990s, the flood water level was lower than before at most stations in the river network of the Pearl river delta under the same grade of runoff.

90年代以来，珠江三角洲网河区大部分水位站同级流量的洪水位普遍下降的同时，局部河段洪水位却异常壅高。

Eastern Zhejiang Province is a part of the Yangtzer river Delta economic region. The water quality of river network is bad commonly in Xiaoshaoning Plain.

浙东地区位于长江三角洲经济区的杭州湾南岸，而且其中的萧绍宁平原河网水质普遍较差。

The model has been applied to the program of controlling water quantity and water quality in order to improve the water quality of the river network of Wuxi City.

本模型已用于为改善无锡河网水质而进行的水量、水质调控方案的研究中。

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。

A 1-D unsteady flow hydrodynamic numerical model is developed for the river network region of the Pearl River Delta, and the model is calibrated with the measured data.

建立了珠江三角州河网区一维非恒定流水动力学数学模型，并根据实测资料对模型进行了率定验证；

The authors apply this method to the areas with high and coarse sediment yield of the Loess Plateau, and compartmentalize the river network into 4 grades and 37 regions.

将此方法应用于黄土高原多沙粗沙区的河网，按河网自然的拓扑形态和流域的天然分界将该地区河网划分为4级37区。

A structural river network data model based on automated generalization oriented is developed, which contains lots of information needed by river network generalization.

建立了一种面向自动综合的河系结构化数据模型，模型包含了大量水系综合所需要的信息。

The experiment result shows that the structured elimination of man-made river network is carried out by the model which makes use of capability of genetic algorithms efficiently.

实验结果表明该模型很好地利用了遗传算法的高效性能，实现了人工水网的结构化选取。

A one-dimensional hydrodynamic and water quality model for river networks is developed, according to hydraulics and water quality features of water body within a tidal river network.

本文根据潮汐河网地区水体的水动力、水质特性，建立了河网一维水动力学和水质耦合模型。

Finally, based on the structured river network which contains these two indices, several retrieval functions are provided as a way to extract structural information during the STR...

根据包含以上两个索引的结构化河网，提供了若干检索函数，作为地图数据库中结构处理时结构信息的提取手段。

Further, a coupling model of hydrodynamic model and water quality model was developed and it can be applied to simulate the water environment of a tidal river network controlled by gates.

进一步建立水动力模型和水质模型的耦合，使之可以应用于闸控感潮河网水环境的模拟。

Finally, based on the structured river network which contains these two indices, several retrieval functions are provided as a way to extract structural information during the structure pr...

根据包含以上两个索引的结构化河网，提供了若干检索函数，作为地图数据库中结构处理时结构信息的提取手段。

At last, river water level in different plan condition is calculated integrating the method of city runoff and river network hydraulics, to provide technical supports for flood-prevention projects.

进而将城市产汇流方法和河网水动力学方法相耦合，计算出在不同规划条件下的河网洪水位，以此为防洪规划工程提供技术支持。

The ghostly stems glowing in the Alaskan Tanana River Valley spring from the same dense network of roots and have identical DNA, making them part of a clonal colony.

这些在阿拉斯加的塔那那河谷里闪耀着的树干发源自同样密度的成网络的树根，它们拥有同样的DNA，形成了一个无性繁殖群体。

The National Transitional Council in Benghazi says that it has now taken control of key parts of a major pipeline network south of Tripoli, known as the Great Man-Made River.

在班加西的全国过渡委员会称，他们现在已经控制了的黎波里南部主要管道网络，也被称为大人工河的关键部分。

Starting from the western face of Kali Himal, the Imja glacier flows through eastern Nepal, part of a glacier network that ultimately feeds the Ganges River.

从卡利雪山的西面开始，imja冰河流经尼泊尔东部，最后，冰河网的一部分还滋润着恒河。

The image shows the eastern edge of the saltpan; the land to the east has a slightly higher elevation and consists of a network of typically dry river channels.

图像展示了盐田东部边缘的景象；东面的地面海拔略有升高，布满了典型的干涸河床形成的网状纹样。