它可有效支持自顶向下的并行产品设计以及与主模型相关的可制造性设计和可装配性设计，以缩短产品开发周期。
It not only effectively supports the top-down combine product design but manufacturing design and assembling design related to main model as well so as to shorten the period of product development.
文章研究可装配性设计中的产品装配建模，提出一种以装配体为对象并能充分反映装配过程特点的二叉树装配模型。
In this paper, product assembly modelling is studied. A general binary tree model is presented which can reflect both the object oriented view and the assembly process view.
虚拟装配是虚拟制造的关键技术之一，它能有效支持自顶向下的并行产品设计以及与主模型相关的可制造性设计和可装配性设计，以缩短产品开发的周期。
As well as the manufacturing possibility design and assembling possibility design correlated with the master model, which will greatly reduce the products research and development period.
设计实例表明，装配尺寸链可靠性设计可定量反映装配尺寸链达到设计要求的程度。
The design example shows that the reliability design of assemble dimensional chain can quantitatively reflect the satisfaction of design.
有两种方法可以提高产品的装配效率，其一是高效的装配设备，其二是设计具有很好可装配性的产品，第二种方法意义更大。
There are two ways to improve the efficiency of assembly, one is to construct perfect assembly facilities, the other is to design products easily to be assembled.
不少兵器在设计和生产定型时都需要进行成套的尺寸链计算，以便对零件的可装配性进行检验，保证系统的精度要求。
Many arms demand dimensional chain calculation in process of design and finalize the design in order to test the assembly characters of the parts and assure the system precision requirement.
系统开发实践表明：基于装配模型的开发方法有效地保证了零件设计的可装配性，提高了设计自动化程度。
The practice indicated that the developed method effectively ensured the assembling capability of components and improved design automation.
设计的水平旋转式送苗机构和装配式苗杯操作方便、效率高，可提高对不同规格钵苗的适应性。
The rotating horizontally feeding seedling mechanism with combined seedling cup is easy to operate, and promise higher productivity and available for transplanting different size seedlings.
基于产品装配数据和装配知识，对产品可装配性进行模糊定量评价，从而指导产品装配设计。
The assemblability fuzzy evaluation of products can be implemented based on the assembly knowledge.
并行工程环境下对设计所形成的产品进行可装配性评价，向设计者提供合理的修改建议，是DFA成功的关键。
The assemblability evaluation of product design and recommendations of design modification are key steps for the DFA of ce environment to be successful.
并行工程环境下对设计所形成的产品进行可装配性评价，向设计者提供合理的修改建议，是DFA成功的关键。
The assemblability evaluation of product design and recommendations of design modification are key steps for the DFA of ce environment to be successful.
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