theory of graphs造句
例句与造句
- electrical networks; concepts related to topology of electrical networks and theory of graphs
电网.与电网拓扑学和曲线图解原理有关的概念 - the theory of graphs can be roughly partitioned into two branches : the areas of undirected graphs and directed graphs ( digraphs )
图论大致可分为两个方向：无向图与有向图。 - a new algorithm based on the minimum spanning tree theory of graph was proposed which improved the computation efficiency and reliability of previous methods . 2
对基于图的最小生成树理论的算法进行了改进，新算法在效率和可靠性方面都有所提高；2 - based on these achievements, this paper mainly considers the stability of networks with neighbor condition . some results are obtained, therefore the stability theory of graphs are enriched in some extent
本文在前人工作的基础上，着重研究了邻域场合下图的稳定性，得到一些相关结果，在一定程度上丰富了已有图的稳定性理论。 - based on the research and analysis of information of assembly of product, semantic of assembly is divided into four types in order that assembly mode is expressed briefly and definitely . assembly mode of product is described through graph of assembly semantic by the way of the theory of graph
在产品装配关系深入研究和分析的基础上，为使产品装配模型信息表达简洁、意义明确，将装配关系分成4种基本类别，采用图论方法对产品的装配模型进行图的表达。 - It's difficult to find theory of graphs in a sentence. 用theory of graphs造句挺难的
- aimed at the current problem of pipeline layout optimization technique, the research of irrigation pipeline layout and pipe diameter optimization has been done, the gis ( geography information system ) and graph theory were first put forwarded to applyed to the design of low pressure pipeline irrigation project in the paper . with the support of gis, the minimal spanning tree theory of graph theory and 120 project theory can be applied to irrigation pipeline's layout optimization . at the aspect of pipe diameter optimization, simplicial method and interior-point method are been used in solve liner optimization model of pipe diameter to reach minimum project cost or a nnual working cost of low pressure pipeline irrigation
本文主要针对当前南方地区低压管道输水灌溉规划设计中存在的技术难点，开发研究先进实用的树状低压输水灌溉管网计算机辅助设计系统。首次提出了将gis(地理信息系统)和图论技术应用于低压管道输水灌溉规划设计及灌溉管网优化中，在gis支持环境下，应用图论中的最小生成树法和120规划进行管道的最优化布置。建立以管道输水灌溉系统的年折算费用最小为目标函数的管径优化线性规划模型，并将内点法应用于线性优化模型的求解。