查询词典 graph theory

Three-dimensional layout optimization; optimality condition; graph theory and permutation group; multi-objective programming

基础科学，数学，运筹学三维布局优化；最优性条件；图论与置换群；多目标规划

We believe there is a need for a text on graph theory which is both elementary and pert nt to today's engineering curriculum.

我们 认为需要有一种图论课本，这既是初步的，又要适应于当前的工程课程。

Most of the two-dimensional models that manage topology are based on the planar graph theory.

大多数操作拓扑结构的二维模型都是基于平面理论的。

Utilizing the information of product s assembly region and carrying out decomposition upon the product according to cut-set method of graph theory, this method establishes the constraint relation of geometrical preference,.

在分析总结以往学者对装配顺序规划研究的基础上，综合拆卸法和优先约束法的特点，探讨了一种新的装配顺序分析方法，该方法利用产品的装配域信息，根据图论的割集法对产品进行拆分，建立几何优先约束关系，然后通过人机交互的方式建立工艺优先约束关系，最终得到可行的产品装配顺序。

Based on this principle, the proposed algorithms, such as fast search for transmission section based graph theory, fast search for flow transferring shortest path and the FTRF, are developed under Microsoft Visual C++ environment by using the Standard Template Library in order to simplify the development effort.

基于以上原理，用C++计算机编程语言编制了基于图论的输电断面快速搜索算法、基于图论的潮流转移最短路径快速搜索算法与基于直流潮流的分布系数法，并运用Visual C++计算机编程语言搭建了输电断面安全性保护的仿真平台。

SAP matrix graph theory algorithm for getting the basic idea is to map the shortest path problem.

详细说明：图论算法求SAP矩阵的基本思想是图的最短路的问题。

Firstly, on the base of graph theory, this dissertation gives the integrity knowledge expression and realization of product motion model, including the topological structure, motion dimension, drive information and physical characteristics.

给出了产品运动模型的完整信息表达及实现方法，在基于图论的机构拓扑结构表达基础上，建立机构运动尺度信息、驱动信息和运动单元的物理特性信息。

This article made a detailed analysis of the types, levels and spatial distribution characters of tourism resources in Hangzhou, applied index R to make a quantitative analysis of the spatial distribution pattern, and used topological index in graph theory to make a qualitative analysis of its spatial structure.

本文具体分析了杭州市旅游资源的类型特征、等级特征和空间分布，用最邻近指数R对其分布形态进行了定量分析，并运用图论学中的有关拓扑指数对其空间结构进行了定量分析。

The structured properties of tridiagonal inverse M-matrices are then studied in detail by using graph theory and combinatorial mathematics, and a sufficient condition for a nonnegative tridiagonal matrix to be an inverse M-inatrix is given.

第一部分分析证明了逆M-矩阵的结构特点和在Hadamard积下的封闭性；第二部分分析几类特殊矩阵的结构特点，以及它们逆矩阵的构造方法；第三部分研究对称不定矩阵秩一校正的Bunch-Kaufman分解和相应的算法。

Accordingly, using graph theory and operating experience abroad for reference, It firstly brings forward a new method of voltage rectification which based on pilot bus with voltage control area In view of the weak coupling among every VCA,using decomposing method of multi critical value, it realizes the eliminating vinculum of every VCA.

因此利用图论的基本理论，借鉴国外电力系统电压三级控制模型的运行经验，首次提出了一种基于电压控制区的主导节点电压校正方法。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。