In the light of using top down method in the design of product with CAD, a method of feature design, which chooses proper shape feature as the datum for next design step, is presented.
针对自上而下的计算机辅助机械产品图形设计，提出了适应这种设计思维的特征设计方法，即选择合适的形状特征，作为进一步的详细设计的基准。
The basic feature and design method of MMW TWTs electronic optics system are analyzed in this paper.
分析了毫米波行波管电子光学系统的基本特征和设计方法。
In this paper, parametric design method based on feature parameters of drawing elements is discussed.
在本文中作者讨论了基于图形元素特征参数的参数化设计方法。
This paper discusses the feature and factors of software testability, and the method how to improve the design of software testability.
该文讨论了软件可测试性的特征和影响软件测试的因素，以及改进软件可测试性设计的几种方法。
This paper explains background, feature, concept and system of multi-heat source circle pipe net and introduces design method to explore multi-heat source circle pipe net.
阐述了热源环状管网的出现背景、特点、概念及其系统组织，重点介绍了探索多热源环状管网设计方法。
The application example shows that knowledge driven feature design method can improve the efficiency of product development, and prompt feedback to the markets.
实例应用表明，知识驱动的特征设计方法可以大大提高企业新产品开发的效率，增强企业对市场的反映能力。
Based on the modeling method, design feature and manufacture feature of cross wedge rolling tool are founded.
并且根据该建模方法，建立了楔横轧模具的设计特征和制造特征。
The feature of PHP is introduced, and the design method of net forum is discussed.
介绍了PHP技术的特点，论述了基于PHP技术的网上论坛的设计方法。
This paper presents a design method and feature of pre-processing block in bioplar IC layout data extractor.
本文介绍IC版图数据提取器中预处理模块的设计方法与特点。
There are many method to design irregular smooth curved surface. The unique feature of topological maps axe simple, accurate and convenient for calculation.
设计不规则光滑曲面的方法很多，但拓扑变换法以其作图简单、准确、计算方便而独具特色。
Actually the kernel design in the recognition method based on discrete time - frequency representation is a problem of feature selection from the ambiguity functions to reduce feature dimension.
基于离散时频分布的信号识别方法，将时频核设计问题转化为以信号自模糊函数为原始特征的特征选择问题，以实现特征降维和信号识别。
In the variant design process, the author adopts Top-Down method and drives the dimension, the feature of the parts and assembly according the request of the variant product to design the new product.
在变型设计过程中，作者采用自顶向下的设计方法来完成设计过程，并根据不同零件的特性分别采用相应变型设计方法如尺寸驱动法、特征控制法和访问零件库法来实现变型设计。
The utilization effects of pictograms in package product were analyzed systematically based on their feature and function. A kind of new graphic symbol design method was put forward.
从图形符号功能和特点出发，对其在产品包装上的使用效果及其影响因素进行了系统分析，论述了图形标识符号使用的误区，提出了图形符号设计新方法。
This method keeps the location base of form feature invariance during the feature modeling and editing, and it is suitable for feature parametric variational design and topological variation.
该方法使特征定位基准在特征造型过程中保持不变，且不随特征定位约束参数的改变而变化，能很好地满足参数化变动设计与拓扑结构变异的要求。
The paper takes the product layout design as a process of component feature transformation and develops a method of product layout design based on component feature model.
本文将产品的布局设计过程视为一个组件特征的布局演化过程，提出了基于组件特征模型的产品布局设计方法，并进行了实例验证。
This paper deals with the design method of bibliographic data base microcomputer management system, the system data structure, function and feature are given.
本文叙述了所研制的文献数据库微机管理系统的设计思想，数据库结构及系统的主要功能，特点。
By using of the theory in view of the deformed design and adopting the method of parameter synthesis to develop CAD system through the analysis of the structural feature about feeding oil_vat.
通过对进给油缸结构特点的分析，提出基于变型设计的理论，采用参数化的方法开发CAD系统。
This thesis develops the method for analysis of the thermal feature, and presents the design method for the thermal system of vehicles.
本文针对车辆热系统进行了车辆热特征的分析，提出了车辆热系统的设计方案。
The paper discusses the design method of product feature-based supply chain, puts forward the concepts of fine SC and agile SC and gives out solution for how to integrate the both SC effectively.
论述了基于产品特性的供应链设计方法，提出精益型供应链和敏捷型供应链的概念，并就如何将二者有效整合提出了解决办法。
The basic feature and principle of progressive addition lens (PAL) are introduced. Its soft design method based on Dirichlet principle was given.
介绍了渐变镜片的基本结构及工作原理，给出其基于狄利克雷条件的软设计方法。
The paper introduces the feature and protocol of USB, and expatiates the design method of the data acquisition and processing system in detail.
本文介绍了USB总线的特点和协议等内容，充分阐述了基于此接口的数据采集处理系统的设计和实现方法。
Also it mentions the general idea and the feature and the method of design of environ mental installation art.
提出了环境装置艺术的概念、特征以及设计方法。
The paper expounds the cause of impact on the architectural modeling feature of industrial building and the method and purport of architectural appearance design of industrial building.
阐述了影响工业厂房建筑造型特色的原因，工业厂房建筑外观设计的方法及意义。
In this paper, the feature and application of Monolithic Crystal Filter (MCF) in mo-bile Communication equipments is introduced. The method of MCF design is given.
本文介绍单片晶体滤波器在移动通讯设备中的用途及特点，给出了其设计的基本方法。
According to the uncertainty feature of the objective function and the constraint conditions, the theory and method of structure fuzzy random optimization design are introduced.
根据混凝土面板堆石坝结构设计问题中目标函数和约束条件所具有的不确定性性质，阐述了结构模糊随机优化设计的理论和方法。
Then current recognition technologies are roughly introduced and classified according to different method of feature extraction and classifier design.
重点按照不同的特征提取和分类器设计方法对表情识别技术进行了综述。
The article introduces its structure, property, feature and analyzes the design method of it and SPI. The present application note describes an example of controlling a 4-bit LED using SPI.
介绍了该芯片的结构、性能、特点，并分析了它与外围器件的SPI接口设计方法，给出了用SPI接口控制4位显示器的实例。
In this paper, the design basis, calculation method and construction feature of the new type composite oil ring with helical spring used in the medium and high speed diesel engine are described.
本文介绍了一种中、高速柴油机上使用的螺旋弹簧式组合油环的设计依据、计算方法及结构特点，总结了在120型柴油机上的试验结果。
A method of aesthetic feature-based parametric shape design for industrial sewing machines is presented using the shape control parameters to express aesthetic factors of the products.
运用形态控制参数表达产品的形态要素，提出一种基于美学特征的工业缝纫机参数化外形设计方法。
In view of the feature of cigarette package design, this paper introduces a kind of online detection and diagnosis method of package design quality based on the RBF neural network.
针对香烟包装图案的特点，介绍了一种利用RBF网络在线检测和诊断香烟包装质量状况的方法。
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