查询词典 graph theory

Combining the database and graph theory put the theory of acyclic database schema forward.

数据库理论与图论的结合产生了无环数据库模式设计理论。

The study of operation of lattice dicision-making By applying the concept, theory, method of lattice theory and graph theory, defining and stipulating the method which can reflect the superior or inferior relation among different elements on lattice, and the variable, parameter, operation rule and the compare method, For example, the preference distance and it's working with relecting the superior or inferior relation among different elements on lattice.

借助格论和图论中的有关概念、理论和方法，定义和规定了能描述格上不同元素之间优劣关系及其联系强度的变量、参数、运算规则及其比较方法，如反映不同决策方案的优劣程度差别的"偏好距离"及其计算，并将此理论运用到了具有区间数的群决策问题中去，给出了区间数的一种格序排列方法。

With the support of GIS , the minimal spanning tree theory of graph theory and 120 project theory can be applied to irrigation pipelines layout optimization .

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。

The methods quantitatively analyze the mathematical abstraction and can help revealing the inner construction of mathematical theory with rich connotation by means of the theory of partial order set and graph theory, and so on.

该方法给出了数学抽象的定量分析，主要是应用了偏序集理论和图论等一些数学方法，它有助于揭示具有丰富内涵的数学理论的内在结构。

Two algorithms, graph cut and random walk based on graph theory, were applied to motion segmentation.

将两种基于图论的算法图切割与随机游走应用于运动对象的分割。

Its theoretic foundation is integration geometry, random theory of set, topology, modern probability, algebra, theory of set, graph theory, and so on.

其最基本的数学理论基础是积分几何和随机集论，同时还涉及到拓扑学、现代概率论、近代代数、集合论、图论等一系列数学分支。

In graph theory, a tree is a simple graph with no circles.

在图论中，树是一个不含圈的简单连通图。

The matrix equation of the sectorial coordinate has been deduced by making use of the graph theory and energy principle after creating the graph model of the box girder section.

利用图论的基本原理建立箱梁断面的图论模型，并结合能量原理，推导出求解扇性坐标的矩阵方程。

An electromagnetic power steering kinematics model is built combined with the sensor and power equipment"s kinematics characteristic, then according to bond graph theory the bond graph model and diamond model of the electromagnetic power steering system are built based on the kinematics model. They could lead to the system"s transfer function, which is combined with automobile"s two freedom degree model, finally leads to the system"s model in condition with step input of steering wheel.

结合转矩传感器和电磁力发生装置的动力学特性建立了电磁式助力转向系统的动力学模型，然后在系统的动力学模型的基础上根据键合图理论建立了电磁式助力转向系统的键合图模型及其方块图模型，从而导出系统的传递函数，再结合二自由度汽车模型，最终建立了系统在方向盘转角阶跃输入下的模型。

For kinematic pairs modularizing, the kinematic function vertices, opening edges and self-closed edges were introduced to the elementary linear graph, and enrich the symbols of the linear graph theory. The various combinations consisted of mechanical members were dealt with as a whole module separativly, instead of being assembled with many basic modules belonged to conventional package.

针对运动副组件的模块化，提出了机构功能点、开口边线、自封闭边线等概念，对传统线性图的工具元素进行了扩充；依据复杂机械组合件的独立性，把它们作为整体建立独立的模块，以取代传统环境中的基本元件连接建模。

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。