结构化设计

Which are important in object-relational databases, and how to translate the select-from-where cause into representations of monoid system are discussed. We take into account the onedimensional and multidimensional data partition methods, physical storage structures and further more how to parallelize them.

本文讨论了对象-关系型数据库中的重要数据类型-集类型如表、集合等的有效实现；讨论了select-from-where查询语句在monoid系统中的表示方法，给出了多种一维／多维数据分布方法、物理存储结构及其并行化方法；系统地分析、设计并实现了并行数据库系统的数据库原语操作及其基本并行算法。

First, this text introduce fundamental concepts and conditions of development about Object Oriented Finite Element, and discussed the way which is essentiality and flexibility in the application of electrical Numerical Analysis analysis software, and also systemic studied the designing method of object oriented programming.

接着设计了面向对象有限元软件的体系结构，并深入研究了软件可视化平台。

It uses an unmanned air vehicle with flying-wing configuration as a test example, presents the three key elements of the approach: the parametric representation of the aircraft structural and internal layout; the model templates for structural elements; the clash check and position adjustment algorithm for internal layout.

该方法有3个关键点：(1)飞机结构布置与内部装载布置的参数化描述；(2)结构件模板的设计；(3)内部装载干涉检查和位置调整算法。

This paper takes the small fish of Carangiform as the mimetic object. Through the bionics study to the principle of Carangiform"s propulsion, the robofish"s main body mechanism that has two degrees of freedom tail fin and single degree of freedom pectoral fin has designed. At the same time, the parameterized mathematical model of double-hinged propulsion system has established. The kinematics analysis, dynamics analysis to the propulsion process and preliminary hydrodynamics analysis to the tail fin and the pectoral fin have been completed. The dynamic equations to the propulsion system have been established.

本文以鲹科模式鱼类为仿生对象，通过对鲹科模式鱼类游动机理的仿生学研究，设计了两自由度的尾鳍推进机构及单自由度的胸鳍机构的机器鱼机械本体结构，建立了参数化的两关节尾鳍推进模式的数学模型，并对推进过程进行了运动学、动力学分析，建立了推进系统动力学方程，对尾鳍和胸鳍推进的水动力进行了初步分析。

Construct prefabrication has become an inevitable trend in the development of underground engineering design and construction technology.

构件预制化是地下工程设计和施工技术发展的必然趋势，装配式管道以其受力合理、结构轻便、施工便捷等众多优点，在国内外高等级公路建设中广泛应用。

This equipment chose the newly protrusive ADuC834, the system design adopted modularization structure, agility facility, and was prone to extend, its effect was very well in application.

装置选用AD公司最新推出的ADuC834作为控制核心，软硬件设计采用模块化结构，只要在系统中适当的地方修改有关参数即可实现其扩展，使系统能适应以后由于技术发展而增加的某些扩展功能，在实际应用中也取得了良好的使用效果。

Organizing Process Quota system based on the modular idea is convenient for expansion and maintainment of the system.

基于模块化的设计思想来组织工艺定额的体系结构，便于系统的扩展与维护。

Adopt at present most advanced large-scale SUPER SAP finite element structure analyse procedure to go on numerical value calculation for model of drilling rod, drilling rod whole stress simulation of state that receive show and reflect drilling rod various kinds of stresses under different working states distribute the characteristic clearly, make stress state of drilling rod reach visual, make people able to understand informations of drilling rod of stress status in depth too at the same time, so that the design of the improvement drilling rod constantly is in order to meet the demands of actual project.

采用当前最先进的大型SUPER SAP有限元结构分析程序对钻杆的模型进行了数值计算，得到的钻杆整体应力状态的模拟显示清楚地反映了钻杆在不同工作状态下的各种应力分布特征，同时也使钻杆的应力状态达到了可视化，使人们可以深入了解钻杆应力状态信息，以便不断的改进钻杆的设计以满足实际工程的需要。

Based on the analysis of the connotation and extension of math self-controlling ability, and through means of quantitative and qualitative researches, we manage to design a questionnaire of our own to collect data, and then we have a quantitative analysis, and last we begin our qualitative analysis of structures, developing laws and regulating factors of self-controlling ability.

本论文在分析中学生数学学科自我监控能力内涵与外延的基础上，设计了定量化与定性化的研究，采用自编的中学生数学学科自我监控能力问卷收集数据，以数量化的证据为依据对中学生数学学科自我监控能力的结构、发展规律及其影响因素进行了定性分析。

Solano L%Brunet P Constructive constraint-based model for parametric CAD system 10.1016/0010-4485(94)90104-X Computer-Aided Design , 1994,8

刘雄伟%郑海波%屠晓明参数化特征造型中拓扑结构变异的一种解决方法计算机辅助设计与图形学学报， 2001，3

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