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- space dimension chain 空间尺寸链
- 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。
- This paper employs feature selection theory and pattern aggregation theory to reduce feature space dimension. 应用特征选取和模式聚合理论以降低特征空间维数。
- 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。
- As for exhibitions, the five Theme Pavilions will interpret the theme “Better City, Better Life” via the space dimension of Urbanian, city, city and globe and the time dimension of past and future. 展览方面：五个主题馆，将分别从城市人、城市、城市与地球这三个空间维度，以及城市的过去和未来这两个时间维度，来解读“城市，让生活更美好”。
- 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:
- 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。
- 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。
- "Da" goes through a process of grammaticalization from a space dimensional word to a marking word. 从空间维度词到标记词，“大”经历了语法化的过程。
- 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。
- The paper mainly solves the problem of reasonable dimensioning parts with the help of the concept of dimension chain. 因此,零部件图样上标注尺寸除应满足"正确、完整、清晰"外,还应做到合理。
- In this paper,by using a new class of Riccati equations and the extended tanh-fuction method,exact solutions of the Klein-Gordon-Zakharov equations in three space dimensions are constructed. 运用改进的tanh函数法;利用一种新的Riccati方程得到三维空间中Klein-Gordon-Zakharov方程的精确解.
- Application of Dimension Chain in Machine Assembly 尺寸链在机器装配中的应用
- Tell that joker to stop using my parking space. 叫那个家伙不要占用我的停车场。
- A New Method in Drawing Process Dimension Chain 作工艺尺寸链图的新方法
- There is plenty of space here to move about. 这里有很大的活动空间。
- Study on fitting dimension chain of pressure pipe 耐压管装配尺寸链的研究
