This dissertation is concerned with classification of crystal space in crystal structure geometry.
本论文涉及的是晶体结构几何学领域中晶体空间划分部分的内容。
Fault development, structure geometry and reservoir lithology are the major factors to controll oil and gas distribution.
断层发育程度、构造部位、储集层岩性是控制油气分布的主要因素。
Other BIM software has to interpret the IFC geometry into its own internal structure. The certification checks whether this takes place correctly.
其他BIM软件需要将IFC的几何表示转换为其内部的数据结构，而IFC认证就是检查该转换过程是否正确。
The geometry he has been studying is that of a structure known to mathematicians as E8, which was first recognised in 1887 by Sophus Lie, a Norwegian mathematician.
他研究的几何在数学上叫做(李代数)E8结构。这个结构在1887年首先被挪威数学家SophusLie发现。
The spatial table has a simple structure: a unique, integer column (objectid), one or more columns making up the primary key (copied from the source table), plus a single point-geometry column.
空间表的结构很简单：一个惟一的整数列(objectid)，组成主键的一个或多个列(从源表复制的)，以及一个点几何列。
Design of these controllers combines the differential geometry theory with the variable structure control theory.
这种控制器的设计结合了微分几何理论及变结构控制理论。
This paper expounds the production of the Chinese version of Euclid's Geometry, its basic content structure and important contribution to Mathematics and the human civilized history.
阐述了欧几里德《几何原本》中译本的产生、基本内容结构及其在数字与人类文明史上的重要贡献。
Aimed at main failure modes, the internal geometry of bearing and the structure of cage and seal are improved.
针对其主要失效形式，对轴承的内部几何形状及保持架和密封结构进行了改进。
The optimal design of whole structure of electrostic precipitator is a adjustable optimal problem of geometry and topology, which has larger scale and many design variables.
电除尘器本体结构优化设计是一个规模大，设计变量数多而具有相当难度的几何可调和拓扑可调优化设计问题。
Geometry elements are defined in accordance with STEP, and classes 'structure is described based on UML.
依据STEP标准定义了几何元素类型，基于UML描述了类结构定义。
The Summer House is constructed with plywood skin on a steel tube frame, materials intrinsically in harmony with the looping geometry of the structure.
夏日凉亭以钢管为框架，覆以胶合木板，这两种材料的运用更符合建筑本身所需的环状几何结构。
We look at the structure of things, the geometry of branch and snowflake, family and deed.
我们观察事物结构的几何形状及家庭和行动。
A new device structure of silicon bipolar microwave power transistors with so called tree overlay geometry polysilicon emitter has been designed.
设计了一种称之为多晶硅覆盖树技状结构的双极型微波功率晶体管。
An all - reflective system with compact structure and wide field of view is designed on the basis of geometry optical theory.
本文在三镜反射光学系统的几何光学理论基础上，尝试性进行了小尺寸、大视场、长焦距全反射系统的设计。
During BRDF model constructing in urban areas, two important factors are vegetation covered in urban areas and the geometry structure of the urban.
在城市地区BRDF模型构建时，两个重要的影响因素是城市地区的植被覆盖面积比和城市的几何结构。
This paper introduces the structure of ratchet clutch and the geometry parameter calculation of double module gear.
介绍了棘轮式单向器的结构以及该双模数制齿轮几何参数的计算方法。
The performance of metal bellows is mainly decided by structure, geometry dimension, material and manufacture technology.
金属波纹管的性能主要取决于结构、几何尺寸、材料和制造工艺。
To study the structure of isotropy subgroups is an important problem in geometry of classical groups over finite fields.
研究迷向子群的结构是有限域上典型群几何中的一个重要问题。
The contact pretension between the layers of cylindrical structure concerns the non-linearity of geometry and material, as well as the influence of interface friction.
多层圆柱结构的接触预紧问题，涉及到几何非线性和材料非线性以及接触面上摩擦力的影响。
The topology and geometry of solid is represented by trimmed curve surface and half-edge data structure.
雕塑实体模型通过裁剪曲面片和半边数据结构来表达几何和拓扑信息。
The idea and basic problem in variable structure control, differential geometry method on feedback linearization , inverse system method, direct feedback linearization method are mainly described.
主要介绍了变结构控制、反馈线性化的微分几何方法、逆系统方法、直接反馈线性化等方法的基本思想和基本问题。
The finite element method suits specially in the solution of complex geometry structure and the inhomogeneous medium electromagnetic problem.
有限元法特别适合于解决复杂几何结构和非均匀媒质的电磁问题。
Reasonable designs of the structure parameters of PB layer and the gate-cathode geometry are obtained by numerical iteration and an equivalent current model.
文中采用数值迭代法和建立等效电流模型，对P_B层结构参数和门极-阴极几何图形尺寸进行了合理设计。
According to each structure module movement analysis and function, relevant structure model is set up and calculation is going on to definite geometry size for the important part.
针对每个结构模块的运动分析和功能需要，提出相关的结构模型，对重要的部件进行相关的设计计算，确定几何尺寸。
Yes, convex hull is at the kernel of computational geometry and serves as a fundamental geometric structure.
是的，凸包是计算几何的核心问题，也是一种基础性的几何结构。
Lie group Machine learning (LML) inherit the advantages of manifold learning method and make full use of the Lie group's structure of algebraic and geometry in mathematics.
李群机器学习(LML)既继承了流形学习的优点，又充分利用了李群的代数结构和几何结构的数学本质，自提出以来就引起了许多研究者的关注。
Manifold learning is helpful to the discovery of the intrinsic distribution and geometry structure of data.
流形学习有助于发现数据的内在分布和几何结构。
Radar high resolution range profile provides potentially discriminative structure feature on the geometry of target, which has been used widely on radar target recognition.
雷达高分辨距离像包含目标的几何结构特征，已广泛应用于雷达目标识别领域。
The structure of this system is demanded mainly from carry cable, track cable and hanger. it is a strong geometry nonlinear structure.
该系统的承重结构主要是由承重索、轨索、吊索组成的一个索网结构，具有较强的几何非线性。
Resonant frequencies are determined by the geometry, weight and structure of the object.
共振频率由物体的几何形状，重量以及结构决定。
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