查询词典 underlying graph

The Cayley graph and the Sabidussi coset graph are two classical representations for these graphs.

这类图的典型代表是Cayley图和Sabidussi陪集图。

The second part points out the weakness in the planar graph of Heawood's counter example and also its types by GR graph. It also offers a new type of counter example so as to replace the former one.

第二部分通过GR图对希伍德反例进行了深入的探讨，指出该类型的平面图自身有破绽并给出新的反例类型以取代原反例。

ABSTRACT To improve the parametric design method which is based on points, lines and circles, this dissertation presents the theory and methodology of parametric design which is based on relating-graph. The expression, organization, cyclic problem, covariation and extension method of relating-graph are studied.

针对当前二维参数化方法中存在的考虑线素较为简单、循环约束问题较难解决等一系列问题，本文系统地研究了基于高层次图素的关联图形的表达、关联图形的组织、关联图形循环约束问题的解决、关联图形的联动以及关联图形的拓广等方法。

Detail are introduced as following: transfering the LS equation to difference equation, setting the initial conditions for different shape explosive at different initiation way (point, line, plane, divergent or convergent); the dealing method of different edge conditions; how to draw the curve graph in two dimensional space or surface graph in three dimensional space with the calculated data.

本文提出了在三维直角坐标系中爆轰波传播LS方程离散化方法，建立了相应的差分方程，研究了对不同形状炸药在多种起爆形式（点、线、面、散心、聚心）下初值条件的设定，以及各种边界条件的处理方法。

One is by knowledge Petri net First AND/OR graph was evolved by calculating cut set of relationship Matrix of parts which shows the assembly relation between the parts. Then the KPN was generated with AND/OR graph automatically. Running the KPN, an optimum assembly sequences was obtained last. The other is by Hopfield neural network.

一是利用知识PETRI网对装配过程进行建模，并自动规划出最佳装配序列的方法；这种方法首先根据产品装配的关联图，利用割集计算，自动生成产品装配的与/或图，由产品装配的与/或图转化成知识PETRI网，然后，运行此知识PETRI网，便可得产品的最佳装配序列。

With this method, the reliability to direct the constraint graph is increased, the computation complexity is reduced, and the cyclic constraint graph can be solved expediently.

应用此方法，可提高约束图有向化的可靠性、降低计算复杂度，且能方便地求解带有循环约束的约束图。

By using the decomposability of graph, high-dimensional problem can be decomposed into some low-dimensional problems, and then we can analyze the independence relation, time sequence relation and causal relation among random variables by means of visual structure of graph.

利用图的可分解性，可将高维问题分解成低维问题，并借助图的直观结构对随机变量间复杂的独立性关系、时序关系或因果关系进行分析。

Based on similar systems in different physical domains,a united Bond Graph Model is derived by using Power Bond Graph methods.

在物理世界中，实际的系统可能是机械系统，也可能是电气系统或其他类型的系统，如果描述这些系统的微分方程或传递函数具有相同的表现形式，那么无论是动态还是静态，它们的输出响应特性都具有相似性[1]。

An approach based on Bin-Packing algorithm and graph theory is proposed to avoid the hot-spot and distribute heat evenly on chip surface during test scheduling. First several parallel test set are derived from graph models. Then Bin-Packing algorithm constructs an initial test schedule.

在SoC的测试规划时，考虑为避免在测试过程中出现热点以及测试过程中使热量均匀分布，基于建立的问题模型得到一系列的并行测试集合，再通过Bin-Packing算法构造测试规划，并进行全局的优化。

By analyzing the differential thermal analysis graph and dehydration graph of borax, the application of borax in diamond cutting and jewelry making field is studied.

在分析硼砂的差热分析曲线和脱水曲线的基础上，对其在珠宝首饰加工领域中的应用进行了初步研究。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了