A numerical model for simulating unsteady flow and suspended sediment transport in river networks was presented.
所有单一河流断面处的含沙量通过单一河流悬沙输运的求解方法获得。
This paper analyzed the spatial characteristics of tree-like river networks, and built vector model based on graph theory.
以树状河系为研究对象，分析其空间特征，建立基于图论的水系网矢量模型。
Water from the Yangtze river was introduced to wash river networks in polluted urban area and southern water system of Zhangjiagang to improve water environment.
为改善张家港地区河网水环境，尤其是污染严重和常年淤积的城区以及南部水系，引长江水对张家港河网进行冲洗。
The relaxation iterative method for solving branch river networks is extended, which can turn the problem of any complex river networks into the problem of a series of single rivers.
将支流流量的松弛迭代方法从树状河系推广到了环状河网，使任意复杂河网水力计算的问题都可化为一系列的单一河道的水力计算问题；
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。
This paper aims at revealing the different influence of different types of strategic networks and industry clusters on corporate competitiveness, and conduct empirical research on Pearl River Delta.
探讨不同类型战略网络与产业群聚对企业竞争力的影响是否存在差异，并以珠江三角洲企业为例进行实证研究。
Manufacturers and developers of computer, telecommunications and networks in Shenzhen and the rest of the Pearl River Delta will also be invited to the Fair.
邀请深圳及珠江三角洲地区计算机、通信、网络的开发、生产单位参展。
The change of discharge and diversion ratio of the main junction is calculated by the 1-d model, and the influence of the engineering on the whole Pearl River Delta networks is analyzed.
同时利用一维数模计算工程后水面线及河网主要节点流量和分流比的变化，从整体的角度分析工程对整个珠江三角洲流域的影响。
The change of discharge and diversion ratio of the main junction is calculated by the 1-d model, and the influence of the engineering on the whole Pearl River Delta networks is analyzed.
同时利用一维数模计算工程后水面线及河网主要节点流量和分流比的变化，从整体的角度分析工程对整个珠江三角洲流域的影响。
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