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Parametric model of brake pad and parametric design of brake shoe have been accomplished on the base of parametric method, secondary development tools on UG, the method of setting environment variables about development system and establishing method of application program, and which can provide the foundation for the development platform of automotive brake system.

对鼓式制动器的组件进行了离散化处理，在介绍了参数化方法、UG二次开发工具、开发系统环境变量的设置以及应用程序创建方法的基础上，完成了鼓式制动器垫片参数化模型的建立以及制动蹄的参数化设计，为汽车制动器专用开发平台的建立奠定了基础。

The interpolation algorithm of introduced error compensation for complex parametric curve in space is proposed for the high precision interpolation of parametric curve on the basis of studying the first, second order taylor expression parametric curve interpolation algorithm and the plane parametric curves interpolation algorithm.

以一、二阶泰勒展开式参数曲线插补算法和平面参数曲线插补算法研究为基础，提出引入误差补偿值的复杂空间参数曲线高精度插补算法以实现空间曲线的高精度插补。

The constituent ratio, prevalence and average ectoparasite abundance were used to reflect the prevalence and density of ectoparasites. Non-parametric Mann-Whitney U-tests were used to test differences in the abundance and richness of ectoparasites between female and male hosts. Spearman correlation analysis was used to analyze the relationship between ectoparasites and the body parameters of hosts.

用染虫率和虫指数反映体表寄生虫的流行和密度状况，用统计分析中的非参数检验（Non-parametric Mann-Whitney U）分析雌雄小兽宿主间寄生虫数量差异，用Spearman相关分析分析体表寄生虫数量与宿主身体参数的关系。

In the last chapter, on the basis of theories in paper [4, 5], the notions of strong mixing, weak mixing, generator and expansion of the variable-parametric dynamical system are introduced, it turns out that in variable-parametric dynamical system strong mixing implies weak mixing and then implies transitivity; it is proved that if and both are variable-parametric dynamical system, F conjugates with G , the members of F are communicate with each other and the members of G are also communicate with each other, what's more, they are both homeomorphism, then F is strong mixing implies G has the same properties; futhermore, we prove that F is strong mixing implies F Devaney chaos in the sense of modification in variable-parametric dynamical system and that F Devaney chaos in the sense of modification if and only if G Devaney chaos in the sense of modification when semi-conjugate with and they both are communicate and homeomorphism; at last, we illustrate that F has generator if and only if it has weak generator, and we also prove that if F is expansion, then F has generator.

在第三章中，我们在文[4，5]的基础上，提出了变参数动力系统拓扑强混合、拓扑弱混合以及变参数动力系统的生成子、扩张的概念；证明了变参数动力系统拓扑强混合蕴含拓扑弱混合，进而蕴含拓扑传递；证明了：如果，为两个变参数动力系统，F与G拓扑半共轭，且F两两可交换，G两两可交换，它们均为同胚映射，那么F拓扑强混合，则G也有同样的性质；本章还证明了变参数动力系统拓扑强混合蕴含F在修改的意义下Devaney混沌；在此基础上得出了：如果变参数动力系统与变参数动力系统拓扑半共轭，它们都两两可交换，并且它们均为同胚映射，那么F在修改的意义下Devaney混沌当且仅当G在修改的意义下Devaney混沌；得出了F有生成子当且仅当F有弱生成子；如果F是扩张的，则F有生成子。

On the basis of the improved structure and under the premise of meeting specification requirement, the light steel door-truss structure is optimally designed by changing, cycle checking and gradually reducing the cross section size of overall structural member with the ANSYS parametric design language. The mechanical properties such as changes in stiffness, strength and stability of the optimized structure are completely analyzed under three load cases.

基于改进结构，在满足相关规范的前提下，利用ANSYS软件的参数化命令流语言（ANSYS parametric design language， APDL），通过改变结构杆件截面尺寸，对整体结构杆件的截面采用循环校核、递减尺寸，并对轻钢门式桁架结构进行优化设计，分析了优化结构在3种荷载工况组合条件下的整体刚度、强度及稳定性等力学性能的变化，给出了改进前后与优化前后结构的力学特性对比。

On the basis of the parametric graphics representation, a new system architecture of product-oriented parametric design has been developed. Based on the research work, a series of software system have been developed, such as Parametric Design Program Generator .

在参数化图形建模的基础上，将产品设计选型系统、产品设计计算、产品设计尺寸推导和图纸输出集成，提出了支持系列化产品变型设计的产品参数化设计体系结构。

For the first time the endplate bolted connection's finite element model with the original crack is set up by the singular element, the fracture problem study is introduced to the finite element analyzing. The J integral value and stress intensity factor of the crack tip are calculated by the ANSYS Parametric Design Language program, and the developing of original crack is judged from the K Rule and J Integral Rule.

第一次通过构造奇异单元来建立带初始裂纹的节点有限元模型，将断裂问题的研究引入到端板螺栓节点的有限元分析中，并通过ANSYS软件中Parametric Design Language编程来计算裂纹尖端的J积分值、应力强度因子，根据断裂力学中的K准则、J积分准则判断初始裂纹是否会重新启裂。

3D model produce enormous degree of freedom.(3) Simulating have to employ multi-step load for moving heat source. In order to solve problems mentioned above and improve solution accuracy, this paper choused suitable material property parameter, and used transition mesh, with two point and line heat sources model. The program which applyload of moving heat sources and suitable time step was edited by means of ANSYS' APDL (ANSYS Parametric Design Language).

为了解决这一问题并提高计算精度，本文对高温时材料的物理性能参数进行了适当的选取和处理；采用过渡网格划分形式划分网格以保证焊缝处网格足够细小；点热源选取高斯函数分布和线热源进行叠加，利用ANSYS软件的APDL（ANSYS Parametric Design Language）语言编写程序实现移动热源的加载；选取适当的计算时间步长。

Corrugated Board Transecting Machine Control System Used in Packaging Area Based on PLC;2. The APDL(ANSYS Parametric Design Language) was used in this paper to simulate the creasing and folding process of corrugated board .

基于APDL(ANSYS Parametric Design Language)语言建立了瓦楞纸板仿真模型，运用接触分析及MPC(Mul-tipoint Constraint)技术，在考虑瓦楞纸板材料非线性及几何非线性的基础上，对瓦楞纸板的压痕及折叠过程进行了模拟仿真，得到了瓦楞纸板的变形图、最大应力及应力分布情况，为完善工艺流程提供了理论依据。

To realize the parametrical design of pipe die for extrusion, a parametrical design language with friendly graphic user interface was combined with the APDL language (Ansys Parametric Design Language) provided by ANSYS software, and then the flow fields was analyzed.

本课题为机头设计提供了一种方法，即利用具有良好图形用户界面的参数化设计语言，结合ANSYS有限元软件自带的APDL（Ansys Parametric Design Language）语言，实现了芯棒式管材挤出机头流道的参数化设计，并利用ANSYS有限元分析软件对其流场进行模拟计算和分析，以获得较为适宜的机头几何参数。

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