查询词典 underlying topological space

The theory of graphs and relations between the spectra and fixed variate (e.g. chromatic number, degree sequence, diameter and connectivity) of graphs by means of the well-developed theory and technique of algebra, topological structure properties of graph, combination and matrix theories so as to establish firm essential relation between the algebraic properties and topological properties of graphs and networks.

图谱理论的研究主要是利用成熟的代数理论和技巧，并结合图的拓扑结构性质和组合数学的理论、矩阵理论来研究图谱及其与图的结构性质、图的其它不变量(如色数，度序列，直径，连通度等)之间的关系，将图与网络的代数性质与图的拓扑性质紧密地联系在—起。

As the layer structure of lattice, relative separation properties and relative compactness in L-fuzzy topological spaces are more complex than that in general topological spaces.

由于层次结构的存在，L-fuzzy拓扑空间中的相对分离性和相对紧性较一般拓扑学中的相对分离性与相对紧性复杂得多。

To find the failure propagation mechanism from the inherent topological structure of the complex electromechanical system, the topological structure statistical properties of the system were analyzed with small world net theory, and a failure propagation model based on the small world clustering was proposed.

为了从复杂机电系统自身固有的网络拓扑结构出发来研究故障的传播机制，采用小世界网络理论分析方法，对系统网络拓扑结构统计特性进行分析，建立了基于小世界聚类特性的故障传播模型。

Now, the topological relationships that have been defined cannot represent the topological relationships between the two complex spatial features arbitrarily composed of points, li...

当前，对拓扑关系集合的定义还不能描述那些由点、线或面等不同维几何对象构成的复杂空间对象之间的拓扑关系。

In Chapter One we introduce briefly the historic background and notions of topological system and some known results about topological system in one dimension.

在第一章中，我们简单地介绍了拓扑动力系统的历史背景和一些基本概念以及一维动力系统中的一些已知结果。

Thus the topological invariants, including dimension, the number of separates, type of components, and sequence of components, are introduced for detailed classifications of topological relations.

这些模型都是在其分类层次上对面目标间拓扑关系的完备描述，并且它们的区分能力是层次递进的。

Finally, using theφ-mapping topological current theory, we introduce a topologicalcurrent to describe the topological feature of the vector field.

最后，利用φ-映射拓扑流理论，我们引入一个拓扑流来描述矢量场的拓扑性质。

In relativistic non-linear field theory,topological defects are a kind of topological soliton.Soliton star is a soliton with star mass and star size.

孤子星是相对论性非线性场论中的拓扑缺陷，这类拓扑缺陷具有恒星到星系的质量。

Through topological theory and principle on flow analysis, draw out the topological characteristic of near field in round jet: the amount, connecting forms of critical point and primary bifurcation.

通过拓扑分析的方法，给出了横流中圆孔射流近区流场的拓扑性质：流场中奇点的类型、数目、连接方式及生成的主要流动分离线。

This paper introduces a physical feature-sensitive topological simplification algorithm for planar vector fields to solve the physical feature preserving problem ignored by pre-existing methods. Its central idea is to classify the vector field region under the application-specified physical criterion, and combine the feature detection of a vector field with its topological simplification.

针对现有拓扑简化方法忽略物理特征保持的缺陷，提出一种对物理特征敏感的平面向量场拓扑简化算法，其中心思想是使用为应用定制的物理判据分类向量场区域，将向量场的特征检出与拓扑简化关联起来。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。