您要查找的是不是：
- DESIGN OF AUTOMATIC CALCULATING SYSTEM FOR TECHNOLOGICAL DIMENSION CHAIN 工艺尺寸链自动计算系统研究与开发
- technological dimension chains 工艺尺寸链
- technological dimension chain 工艺尺寸链
- The Computerizable Solution of Technology Dimensions Chain 工艺尺寸链的计算机解算
- technologic dimension chain 工艺尺寸链
- It presents a direct and handy way pf drawing process dimension chain. 介绍一种直观、简便的作工艺尺寸链图的新方法。
- technology dimension chain 工艺尺寸链
- This paper presents a computer-aided method of automatic generation of dimension chains and penalty function-based tolerance genetic optimization, and the corresponding software has been developed. 研究了一种计算机辅助的交互式尺寸链自动生成方法和基于惩罚函数法的公差遗传优化算法,编制了相应的软件。
- This text tries hard to combine dimension chain with production practice closely and elaborates the conversion of process size during machining. 力求将尺寸链原理与生产实际紧密结合,阐述在机械加工过程中关于工艺尺寸的换算问题。
- Further, the dimension chain calculating formula is deduced when symmetric tolerance marking is used, so that the dimension chain calculating is simplified. 并进一步推导对称公差标注时尺寸链的计算公式,从而简化尺寸链计算。
- Time is sometimes called the fourth dimension. 时间有时被称为第四度空间。
- This paper dissertate the general framework of Computer Aided Tolerance System, research a series of key questions such as the methods of auto-generation of dimension chain, gives out the prototype program based bn AutoCAD. 本文论述了计算机辅助精度设计的总体框架,研究了尺寸链自动生成等关键技术,并开发了基于AutoCAD平台的原型系统,本文的主要研究内容如下:
- Presents the two-dimension dimensional chain search arithmetic based on DFS. 提出了了异形异构尺寸链的概念，以及基于深度优先算法的二维装配尺寸链搜索方法。
- This paper presents a rather new and practical theory and method concerning with the problem of spacial dimension chain,overcoming the complication and difficulty of the erst computation of discomposing first and then synthesizing the spacial dimention. 本文对空间尺寸链计算问题提出了一种较为新颖的理论及解法;克服了以往空间足寸链计算中先分解后合成的复杂多变的高难度计算.
- Based on the VGC(Variational Geometric Constraints) theory, a rule to set up the loop circuit for assembly dimension chain is put forward. The generation method of VGC network for assembly dimension chain is presented. 根据变动几何约束理论，给出了配合回路的生成规则，提出了面向尺寸链的变动几何约束网络的生成方法。
- Some key technology in assem bly design is solved as follows: definition of basic class component parts, esta blishment of assembly modeling, dimension chain of geometry constraint and assig nment of components in assembly modeling. 解决了装配设计中的几个关键问题：装配模型中基类零件的定义、装配模 型的建立、装配图中零部件几何约束尺寸链、装配图中零部件位置确定。
- At the same time, a diagrammatical arithmetic based on computers is proved as the optimization approach to diagrammatize dimensional chains rapidly. 同时，提出基于计算机的尺寸链图解算法，才是快速、方便地实现尺寸链图形解算的最佳途径。
- To determine the relationship of nominal sizes, tolerances and limit deviation of closing link and component link based on the dimensional chains. 一、尺寸链的计算分析，以决定封闭环与组成环的基本尺寸、公差及极限偏差之关系。
- In the case of different methods for ensuring the assembly accuracy,some problems should be paid attention to when ascertaining composed link dimension tolerance by using assembly dimension chain. 针对保证装配精度的不同方法,指出在机械产品设计中用装配尺寸链确定组成环尺寸公差时应注意的问题,用实例说明了在机械产品的装配、修配及维修过程中尺寸链的分析方法。
- Then dimensional chains are automatically created by using dimensional model of feature primitive and locational constraints in the process of features combination. 然后利用特征形素自身的尺寸模式,以及特征组合过程中的定位约束自动生成尺寸链；
