实体

The paper taked 20 nodes isoparametric element as an example and put forward a kind of numerical method combined with the Newton iterative algorithm and Gauss integral algorithm to calculate equivalent loads of prestress in body element.

本文以20节点等参单元为例，提出一种运用高斯积分和牛顿迭代法的数值算法计算实体单元的预应力等代荷载，该方法能够适应各种复杂的预应力钢束形状，并适合计算机编程。

By describing trusty degree of information through membership function defined on the tuple, they broaden relation algebra of general meaning, add an attribute function to every tuple, define meaning of fuzzy attribute, express similar degree in the interval of fuzzy object and entity with semanteme distance in the interval of tuple, and also studys the fuzzy relation operating.

通过定义在元组上的隶属函数反映信息的可信度，对通常意义下的关系代数进行了扩展，每一元组都附一属性函数，定义了模糊属性的含义，用元组间的语义距离表示模糊对象和实体间的相似度，并对该意义下的关系操作进行了相应的研究和讨论。

The measures which can be used to increase the reliability of FEA of complex components in I. C. E. are investigated systematically. An efficient method for generating finite element models from CAD solids of complex parts is also studied.

系统性地探讨了进行内燃机复杂零部件有限元分析时，为确保计算的可信度可能采取的措施，并就如何利用复杂零部件的CAD实体模型，快速建立其有限元分析模型的方法进行了研究。

In order to solve these problems, I develop a pre-process program using MATLAB to generating 3D solid element model and simulating the three-dimension prestress.

本文针对上述用三维实体单元模型分析箱梁时遇到的问题，编制有限元分析前处理程序，快速生成各种类型的箱梁模型，并对三向预应力效应进行模拟。

This thesis is combined with the project－"design and exploitation of Automotive Constant Drive-Shaft", which is undertaken by the topic team. Based on the structural simplification to three-dimension solid models of ball-cage type and three column-shaft type constant velocity joint, and the three-dimension solid models are obtained by conversion engineering. Altair/Hpermesh software is used here for generating the finite element mesh of key parts of ball-cage type and three column-shaft type constant velocity joint.

本文结合课题组承担的"汽车等速驱动轴设计开发"项目，在对通过逆向工程方法获得的等速驱动轴的球笼式等速万向节和三枢轴式等速万向节三维实体模型进行结构简化的基础上，利用Altair/Hypermesh软件对球笼式和三枢轴式等速万向节的各关键零件进行了有限元网格划分。

With the algorithm the revolving axis and the generatrix are extracted through point cloud.

通过对轴心线、母截面提取算法的研究，实现了旋转实体模型的生成算法。

These corporate media entities and the genocidal, ecocidal plutocracy they serve are the "gatekeepers" that need to be exposed.

这些企业传媒实体和种族灭绝， ecocidal plutocracy他们所服务的"看门人"认为有必要加以揭露。

What we need is integration of the data and precepts of everything from molecular biology to the geobiology of mass extinctions and evolutionary rebounds - entities and processes of vastly different spatiotemporal dimensions.

我们需要的是整合数据资料和一切教训，从分子生物学到大灭绝和进化反弹的地理生物学——差异极大的时空尺度中的实体和过程。

The place name is that people gives each geographical feature to the entity proper name.

地名是人们赋予各个地理实体的专有名称。

Therefore the following research works have been done in the dissertation: To put forward a unified surface-solid geometric model and its topological representation which can represent surface model and solid model in an integrated data environment.

该模型可以将曲面模型与实体模型表示在一个统一的数据环境中，从而达到了拓宽几何造型系统的形体定义范围和造型覆盖域的目的。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐