查询词典 topological structure

The results show that the topological index has good structure-property correlativity.

结果表明该拓扑指数具有良好的结构－性质相关性。

Construction' is to employ the architectural models to build the topological and geometrical structures of the plant; 'Rendering' is to use the techniques of Computer Graphics, including texture mapping, illumination calculation, depth blanking and projection, to furbish the 3D structure of the plant and make the figure true to life.

本文提出的这种方法，能够逼真地模拟大多数植物的外形结构，可以交互地进行植物形态的三维布局设计。

This paper discusses the kernel of the system -- geometric model and includes the following:(1) The topological elements and the relation between them in geometric modeling system are explained and expressed by the theory of simplicial complex and CW-complex. In addition, the identification operators and homology theory in algebraic topology are used in our model. A hierarchical structure is built on the base of complex.

本文主要讨论这个系统的核心问题——几何建模问题，包括以下几个方面内容：(1)用单纯复形和CW复形的理论来解释和表达造型系统中的拓扑元素和拓扑元素之间的相关关系，并将代数拓扑中的粘合操作和同调论应用到模型中，建立以复形为基础的层次结构。

The crossed cube is a variant of the hypercube, and it has better recursive structure, graph parameters and topological properties.

交叉立方体是超立方体的一个变种，具有良好的图参数、拓扑性质和结构递归性。

A novel topological framework structure of the molecular sieve named CJU-18 is obtained theoretically, which has 18 membered ring open pores.

提出了一种新颖的十八元环超大孔分子筛的拓扑结构模型——CJU-18，它属钙霞石笼作用于六方晶系的P_(63)/mmc空间群。

The research conducted in this paper solves the symbolic structure of the devil's carpet and the metrization of the plateau of an equal topological entropy class, and presents the symbolic description and visual realization of equal entropy fractals.

本研究解决了拓扑熵魔毯的符号结构和等拓扑熵类平台的度量刻划；获得了等熵分形的符号刻划及直观实现。

The research conducted in this paper solves the symbolic structure of the devils carpet and the metrization of the plateau of an equal topological entropy class, and presents the symbolic description and visual realization of equal entropy fractals.

本研究解决了拓扑熵魔毯的符号结构和等拓扑熵类平台的度量刻划；获得了等熵分形的符号刻划及直观实现。

Based on characteristics and connectivity of the groups in molecules, a method that combined the group contribution method and topological method together was developed, and it can be used to calculate the molar volume of cycloalkanes from molecular structure.

根据分子结构的特点，用距离矩阵和染色矩阵表征分子中基团的特性和连接性，通过探讨环烷烃摩尔体积与分子结构间的定量关系，发展一种直接根据分子结构计算环烷烃摩尔体积的方法。

The major technique to get the information of structure of those free groups is to sudy the action of automorphisms on them. In this paper we show that every normal automorphism of a nontrivial free product of groups is inner as well. Traub[16] made a purely algebraic conjecture and showed that it implied Poincare"s Conjecture. He also showed that Poincare"s Conjecture implied this algebraic conjecture modulo another topological hypothesis.

在本文中我们给出任意两个非平凡群的自由积的每个正规自同构也是内自同构的；在文献[16]中，Traub给出了一个纯代数的猜想并证明了这个猜想蕴含着着庞加莱猜想的成立，并且作者也证明了在一个拓扑假设的前提下庞加莱猜想也同时蕴涵着猜想1是成立的，后来这个拓扑假设被Waldhausen([7])证明是成立的。

Within algebraic geometry is the description of geometric objects as solution sets of polynomial equations, combining the concepts of quantity and space, and also the study of topological groups , which combine structure and space.

在代数几何里，把几何对象描述成多项式方程的解集，结合数量和空间的概念；也研究拓扑群，结合了结构和空间。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。