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In this paper, by means of mechanism analysis and design method, the splicing motion, including the yarn's take-in and guide mechanism during the splicing procedure, has been analyzed, in order to compute and design the spacial yarn guide mechanism and the cams profile for the splice r.

利用机构分析和设计方法分析纱线捻接的机构运动，对捻接过程中纱线的抓取和导引机构进行运动剖析，以便设计该导纱空间机构及有关的凸轮廓线，为空气捻接器机构的设计改进提供理论基础。

In this method, the sensitivity is performed to find the design parameter. The approximation of natural frequencies is given by the Taylor expansion with respect to the design parameter.

该方法通过对结构进行敏感度分析，确定结构中最为敏感的参数，由泰勒展式给出结构的固有频率变化与敏感参数变化之间的近似对应关系。

Scientific computing in complex product engineering design process was characterized by its tentativeness and iteration, which produced large-scale phases data with different formats and complex relationships, it became a bottleneck of product design performance for efficient organization and management of those data.

复杂产品设计具有反复性、试探性、选择性等特点，其间产生的大量关系复杂、类型各异的科学数据的组织与管理已成为影响设计性能的一个瓶颈问题。

Through reviewing the influences by the changes of Chinese social construction and the languages of modern plaza design, six design rules are proposed in this paper. The conclusion of this thesis is that plazas play a major role in the interaction of Chinese civil society and country.

提 要：本文通过考察中国社会结构变迁对城市公共空间特征的影响和广场设计的"现代化"语式，提出了市民社会广场设计的六条设计准则，并在此基础上进一步阐述市民社会广场设计在中国市民社会与国家之间互动关系的重要功用。

This paper adopts the method of the combination of theoretics and experiment. It guides the experiment by academic analysis. On the contrary, results of the experiment can verify the correctness of the theoretics. It has provided the foundation for the conformation design of the connection area between arch rib in the side and rigid tie bar of the Xinguang bridge and its conclusions can also provide references for the design of other same type bridges.

本文采取理论分析与试验研究相结合的方法，通过理论分析指导试验研究，反过来用试验研究验证理论分析，为新光大桥边跨钢拱肋与刚性系杆连接区域构造设计的完善提供了依据，其结论也可供其它同类型桥梁结构的设计研究提供借鉴。

An optimization design scheme is crucial for torpedo, however, there has been no any such method recognized so far. This paper presents a method for torpedo lineshape optimization design based on the iSIGHT. In this method, the optimization strategies of simulated annealing algorithm and continuous quadratic planning method are adopted, and the fluid analysis software Fluent is integrated to calculate the fluid parameters of torpedo body lineshape. The comparison of the optimization results obtained by both the presented and the traditional methods shows that the torpedo lineshape optimization method based on the iSIGHT is satisfactory and feasible.

寻找最优设计方案是鱼雷设计的重中之重，针对目前鱼雷优化设计领域还没有一套公认的优化设计方法这一现状，提出了一套基于iSIGHT的工程设计优化方法，将这款商业软件应用于鱼雷线形优化设计中，采用了模拟退火算法+连续二次规划法的优化策略，集成流体分析软件Fluent对雷体线形的流体参数进行了计算，并与传统优化方法结果相比较，结果表明，基于iSIGHT的优化设计方法在鱼雷线形优化设计中是可行的，能够得到令设计人员满意的鱼雷线形优化方案。

The design of image fountain signal, imaging technique and data processing are three key technologies to carry out CCD torsional oscillation measurement method. By analyzing the design principle, the paper devised an image source signal alternated with black and white strip and it has a good effect. Meanwhile, the system demand of imaging link was analyzed, such as light source, lens and camera etc. In addition, the principles of both the correlation algorithm and generalized correlation time delay estimation based on adaptive technology were studied, and a comparison between them was made as well.

本文中分析了图像源信号的设计原则，并设计了一种黑白相间的倾斜条纹图案作为图像源信号，获得了良好的测量效果；分析了测量系统对光源、镜头、相机等成像环节的要求；研究了相关算法和基于自适应技术的广义相关时延估计法两种数据处理算法的原理，并对两种方法的性能进行了比较。

This paper introduced algorithmic method of light distribution design with the help of light distribution calculation and illumination of test points. It gave the detail about Ray Tracing and point by point arithmetic, presented a design tactic of multi-surface reflector.

从计算光形分布和测试点的照度值两方面介绍了配光设计的计算方法，具体运用了光线追迹法和逐点计算法，并给出了用于近光灯的多曲面反射体的一种设计策略

Introduced by technicians of Lifan Motors, the technical difficulty of EV mainly concerns on the optimizing design and displacement, long life-span triphylite batteries with high-speed charging and discharging, and the integration design of electric driving system.

据力帆汽车技术人员介绍，纯电动汽车研发过程中的技术难点主要集中在整车的优化设计和布置、快速充放电且长寿命的磷酸铁锂电池组，以及电驱动系统的一体化集成设计等几个方面。

This article presents the research of the design and calculation of the volume of the air accumulator of the triplex drilling pump theoretically,and a new design and calculation method is put forward,which is proved to be more logical by experiments.

文章分析了钻井泵空气包体积设计计算的理论基础，提出了一种新的设计计算方法。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。