几何结构

基本解释 (translations)

geometries

与几何结构相关的网络例句 [注：此内容来源于网络，仅供参考]

This paper establishes the relations between braided parameters and geometry parameters and it is valid by experiments.

并建立了编织工艺参数和几何结构参数的关系，通过实验验证，证明了工艺参数和几何结构参数之间关系的正确性。

The book is structured so that the reader may choose parts of the text to read and still take away a completed picture of some area of differential geometry Beginning at the introductory level with curves in Euclidean space, the sections become more challenging, arriving finally at the advanced topics which form the greatest part of the book:transformation groups, the geometry of differential equations,geometric structures, the equivalence problem the geometry of elliptic operators, G-structures and contact geometry.

这本书是结构，以便读者可以选择部分文本阅读，还带了一个完整的画面，有些地区的微分几何开始入门级和曲线的部分，在欧氏空间变得更有挑战性，终于到达了高级的主题，形成了最大的一部分书：变换团体、几何的微分方程、几何结构、等价问题的几何形状，G-structures椭圆算子和接触几何。

First of all, the paper gave a briefing on the development of white LED and the problems need to addressed of RGB LED mixed white lighting; Then established colors distributed computing model of the RGB LED white lighting module; Final designed a number of different geometric structure of the RGB LED light source module, by changing angles (interior angle or the angle Centre) of the geometry and the LED colors with different priorities, programmed by using of Matlab software, simulated the color distribution correspond to such light source models.

首先，本文简要介绍了白光LED的发展现状及RGB LED混合白光需要解决的问题；其次建立了RGB LED的颜色分布计算模型；最后设计了几种不同几何结构排列的RGB LED光源模块，通过改变几何结构中角度、不同颜色LED的排列次序，利用Matlab软件编程，模拟以及仿真得到这些光源模型相应的光源颜色分布，并评价其颜色均匀性，进而得到最佳几何排列结构的RGB LED光源模块。

The result shows that, on healthy subjects, the gray matter has high value on CS and lowers on CL and CP parameters (lie on top of the 3P diagram), while the white matter has higher value on CL and lower CP and CS (lie on leftlower corner of 3P diagram). After infarction, the gray matter and white matter both show less anisotropy and raised CS index.

实验结果显示，正常的灰质其几何结构偏向球形，座落於三相张量图（3P tensor diagram）的顶端，而正常区的白质其几何结构偏向线形，座落於图形的左下方；而中风之后，灰质与白质的非等向性皆出现衰退下降，几何结构也趋向球形。

ABSTRACT This dissertation is devoted to studying the numerical methods for the forced Birkhoff systems with general symplectic geometric structure or Poisson bracket, including higher dimensional Birkhoff systems with multi-symplectic structure.

这篇文章着重研究一般辛结构下受到外力作用的Birkhoff系统的几何结构和几何算法，包括定义高维Birkhoff系统的概念，和研究它的多辛几何和多辛变分积分子。

Its main goal is to explore information relating to the large-scale geometrical structure of proper metric spaces, including noncompact complete Riemannian manifolds, finitely generated groups, etc., so as to establish connections among geometry, topology and analysis of the geometric spaces, and furthermore, to solve other important problems such as the Novikov conjecture, the Baum-Connes conjucture, the Gromov-Lawson-Rosenberg conjecture on positive scalar curvature and so on.

其主要目标是通过几何空间（如非紧完备黎曼流形、有限生成群等）大尺度几何结构的信息，建立几何空间的几何、拓扑与分析之间的联系，并应用于解决其他重要问题，如Novikov猜测、Baum-Connes猜测， Gromov-Lawson-Rosenberg正标量曲率猜测等。

Its main goal is to explore information in the K-theory groups of the index C*-algebras, the Roe algebras C*, by using the large-scale geometrical structure of proper metric spaces, including noncompact complete Riemannian manifolds, finitely generated groups, etc., so as to establish connections among geometry, topology and analysis of the geometric spaces, and furthermore, to solve other relating problems, say, the Novikov conjecture, the Gromov-Lawson-Rosenberg conjecture on positive scalar curvature, the idempotent problem in the theory of C*-algebras.

粗几何上的指标理论是"非交换几何"领域九十年代以来发展起来的重要研究方向，它孕育于非紧流形上的指标理论，其主要目标是通过几何空间（如非紧完备黎曼流形、有限生成群等）的大尺度几何结构探索指标代数，即 Roe代数，的K-理论群的信息，从而建立几何空间的几何、拓扑与分析之间的联系，并应用于解决其他重要问题，如Novikov猜测、Gromov-Lawson-Rosenberg正标量曲率猜测、群C*-代数幂等元问题等。

Precise describe of geometry structure is an important premise to realize numerical simulation, but the diesel model refers to intake system, exhaust system, turbocharger system, fuel injection set, cylinder and crank case etc, which have complex structure, therefore, if the geometry model is established as true structure, it will spend a great lot of time and it is unrealizable and unnecessary.

几何结构的精确描述是实现准确实现数值模拟的重要前提，但柴油机模型涉及到进气系统、排气系统、涡轮增压系统、喷油组件、气缸和曲轴箱等诸多实体，而且结构极其复杂，如按真实实体结构建立计算几何模型需要花费大量时间且难以实现，也没有必要。

The scale-type geometric wear-resistant structure surface is characterized in being made up of a base and the bionic geometric units on the surface. The bionic geometric structure unit is a scale-type structure distributed regularly on the surface of the base, and the distribution density is that: the ratio between the geometric projection area of the scale-type structure on the base surface and the surface area of the base formed by all the edge ends is 50-100%; the scale-type geometric structure unit has a symmetric hexagon shape on the surface; the sides L2/L1=1.0-2.0, L1: 1mm-50mm, and the internal angle Alpha is 120 degree -130 degree, the internal angle Beta is 100 degree -110 degree; the A-A section is subtriangular, and the B-B section is a trapezoid, the height H of the scale-type is 1-5mm.

本发明由基体和其表面上的仿生几何结构单元组成，仿生几何结构单元为在基体表面规律分布的鳞片型结构，鳞片型的分布密度为：其在基体表面上的几何投影面积之和与所有棱端围成的基体表面积之比为50-100％，鳞片型几何结构单元的表面形状为对称六边形结构：边长L2/L1＝1.0-2.0，L1：1mm-50mm，内角α为120°-130°，内角β为100°-110°，鳞片型的A-A截面为近似三角形，B-B截面为梯形，鳞片型的高度H为1-5mm。

Three types of geometry layout: line, ring and square gates, were designed and analyzed. The field-plate design was also used in the three kinds of device layouts to improve the device performance at high voltages.

我们设计了三种不同几何结构分别为：线形结构、环形结构以及矩形结构的元件，从当中分析不同几何结构对於元件特性的影响。

与几何结构相关的网络解释 [注：此内容来源于网络，仅供参考]

conformal transformation：共形变换

首先,讨论了支持向量回归(support vector regression,SVR)的基本原理.然后,从信息几何的角度分析了核函数的几何结构,通过共形变换(conformal transformation)构建与数据依赖(data-dependent)的核函数,使得特征空间在支持向量附近的体积元缩小,

dorsum：背

利用人类生理的(physiological)或行为上的(behavioral)独一无二的特徵来辨识使用者的身分,成为安全科技之重要趋势.人的手,目前所用的特徵有手掌正面(palmar)的指纹,掌纹,手背(dorsum)的血管.手的几何(Hand Geometry)即手的几何结构,

geometrization of gravitation：引力几何化

geometrical structure factor 几何结构因子 | geometrization of gravitation 引力几何化 | German silver 德银

GeoSphere：几何球体

在MAX里,除了几何球体(GEOSPHERE)里的网格结构符合要求,其他都不符合要求. 只从建模角度出发,如果把一个物体的结构改成转了45度的'口'子形状的?

geometric hashing：几何哈希

另一种针对结构问题特点的方法是距离矩阵(Distance matrix)方法,该方法借助于图形学技术找出三维结构中非常接近的原子,比较两个结构的几何关系. 距离矩阵中每个元素代表Ca之间的距离. 下面介绍一种基于几何哈希(geometric hashing)技术的三维结构数据库搜索方法.

OSB：定向结构刨花板

定向结构刨花板(OSB)是七八十年代在世界上迅速发展起来的一种新型高强度人造板. 它是以软阔叶树材、速生人工林间伐材等为原料,经过刨片、干燥、筛选、施胶、定向辅装和热压等工序制而成的结构用人造板. 由于刨征的几何形态和纤维未经分离破坏,

pure projective geometry：纯粹射影几何

pure project structure 纯粹方案结构 | pure projective geometry 纯粹射影几何 | pure psychology 纯心理学

constructive solid geometry：构造实体几何

constructional design 结构设计 | constructive solid geometry 构造实体几何 | consulting model 咨询模型

symplectic structure：辛结构

现在大家搞得很多的是辛几何( symplectic geometry)....单有辛结构(symplectic structure)不太有用, 你要把辛几何...用到量子力学的话, 需要加上一个复线丛,

hypergeometrical differential equation：超几何微分方程[式]

超精细结构 hyperfine structure | 超几何微分方程[式] hypergeometrical differential equation | 超多重[谱]线 hypermultiplet