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In introduction and in absorption international vanguard technology foundation independent development product PEIAN6000 series product, The product widely applies in the steel and iron, the oil field, the petrification, the spinning and weaving, the building, the revertex, the ceramics, the papermaking, the hardware, the engine bed, mining, printing, forging and so on in each kind of industrial equipment, Is the enterprise most ideal energy conservation, the transmission, the control application product.

在引进和吸收国际先进技术的基础上自主开发生产PEIAN6000系列产品，产品广泛应用于钢铁、油田、石化、化工、纺织、建筑、塑胶、陶瓷、造纸、五金、机床、采矿、印刷、锻造等各类产业设备中，是企业最理想的节能、传动、控制应用产品。

In addition, the product is safeguarded still include to make and change product policy, undertake good product is packed, the use experience that improves a product is waited a moment.

此外，产品维护还包括制定和改变产品政策、进行良好的产品包装、改进产品的使用体验等等。

This paper analyzed the relation of product quality,product demand and quality management system demand,introduced the form and approach of product demand,and especially explained how to grasp product demand.

分析了产品质量、产品要求及质量管理体系要求之间的关系，介绍了产品要求的表现形式及确定方式，并对如何准确把握产品要求做了进一步说明。

In the frame, Design Structure Matrix is the tool to build up the models of product structure and development process. The product structure topology tree is defined, and the product structure DSM model is introduced. The formalized description about development process model is presented. The characteristics of the tools to build up development process are analyzed, the strongpoint of DSM is discussed, and the development process model based on DSM is introduced. The relation between product structure and development process is analyzed.

在研究框架中引入了产品结构和开发过程的建模工具——设计结构矩阵(Design Structure Matrix， DSM)；给出了产品结构拓朴树的定义及其形式化描述，并在此基础上引入了产品结构DSM模型；给出了产品开发过程模型的形式化描述，比较了几种常见的产品开发过程建模工具，分析了用DSM建模工具进行产品开发过程建模的优势，引入了产品开发过程DSM模型；分析了产品结构与开发过程之间的联系，提出了两者之间的集成机制，并在此基础上给出了IM-PSDP模型。

Some statistical properties of product assembly are obtained on the basis of industrial investigation of assembly procedure and analysis of assembly operations of typical products; concept of fuzzy quotient set is introduced to the study of assembly sequence planning and a theoretical frame and algorithm for assembly sequence planning based on product fuzzy quotient set is presented; theory and method of fuzzy automata and fuzzy decision are used in the investigation of sensor based assembly sequence planning and a theoretical frame and algorithm for assembly sequence planning based on information sensing of assembly process are presented; an assembly model for product is put forward; study of product disassemblability is carried on.

论文通过对产品装配工艺的工厂调研及典型产品的装配作业分析得到了有关产品装配的一些统计特征；将模糊商集合的概念引入装配顺序规划的研究中，提出了基于产品模糊商集合的装配顺序规划的理论框架和算法；将模糊自动机及模糊决策的理论和方法应用到基于感知的装配顺序规划的研究中，提出了基于装配过程信息感知的装配顺序规划的理论框架和算法；提出了一种产品装配模型；进行了产品可拆卸性的研究。

To solve such a problem, this paper provide a method combined with the appraisal of commercial opportunity and producer's income. The commercial opportunity appraising is carried upon the analyst of the improvement of the product's function and the renewal of the consumer's demand. Meanwhile, the multimedia products are divided into two kinds, one is call star-network multimedia product, and the other is called mash-network multimedia product. For each type of product, the paper analyses the producer's equilibrium in monopoly market and monopolistic competition market, which provides a method to forecast the producer's income in the future market.

针对这两种现象，本课题在研究过程中提出了商业机会评价结合厂商收益评价的投资机会研究方法，首先通过分析产品功能更新与消费者需求更新的内在关系，识别具有良好商业机会的产品；而后通过将多媒体产品划分为星型网络型多媒体产品和交叉网络型多媒体产品，分别研究在垄断的市场以及垄断竞争的市场条件下厂商的收益水平，识别真正具有良好收益前景的厂商类型，以及影响厂商未来收益的因素。

We use QFD to acquire the demands of client and technical character of product, import the parameter of product design by secondary development on UG software. Then we carry throgh the quality control for every phase in product design according the instace in database and level of product structure tree.

利用质量功能配置方法获取客户需求和产品技术特征，调入经UG二次开发得到的产品设计参数，结合实例库检索到的实例，按照产品结构树的层次，采用自上而下的模式对产品设计各个阶段进行质量控制。

As the skeleton and key asset, product-line architecture is the core of reuse shared among all products in the product line, and it is the foundation of the specific product architecture in product line.

产品线体系结构是产品线的骨架和核心资产，被产品线中所有产品共享，是各个产品的体系结构的导出基础，重用也围绕着它展开。

CAD/CAM is a key technology to realize the automation of product designing and manufacturing. The quality of product can be tangibly improved if the technology is adopted in product designing, engineering analyzing and NC programming in the course of development of product.

CAD／CAM是实现产品设计和制造自动化的关键技术，在产品开发中，引入该技术进行产品设计、工程分析及数控编程，能大大提高产品质量，创造显著的效益。

Two merging methods of Bézier curves are generalized to tensor product Bé zier surfaces, we propose two methods to approximate two pieces of adjacent tensor product Bézier surfaces by a piece of tensor product Bézier surface. We offer the explicit formulas of the merged tensor product Bézier surfaces with all kinds of merging conditions.

同样，Bézier曲线的两种合并方法也被成功的推广到张量积Bézier曲面上，得到把两片相邻张量积Bézier曲面合并成一片张量积Bézier曲面的两种合并方法，并给出在各种合并条件下的合并曲面控制顶点的显示表示式。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。