以下为句子列表：
英文: Abstract: It advances an idea that transaction is the basic unit of product design activities,and sets up transaction model as an object-oriented representation for design goal,personnel,document objects,resources,constraints and statas.The model is integ
中文: 文摘:提出了以设计事务作为产品设计活动基本单元的思想，采用面向对象的方法建立了设计事务模型，描述了产品设计的目标、组织、文档对象、资源、约束、状态等特征信息，建立了支持协同设计的设计事务预发布机制和相关设计事务触发机制，实现了产品和过程的集成建模。
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英文: After the task of product design had been accomplished, to carrying out evaluation on the quality of product design is an item of work with extraordinary significance.
中文: 摘要在完成产品设计任务之后，对产品的设计质量进行评价是一项非常有意义的工作。
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英文: As part of our Nationwide Site Visit Program, our product design and development teams go out into the field to observe users in their own work or home settings throughout the United States.
中文: 作为我们的全国性访问计划的一部分，我们的产品设计师和研发团队深入到用户自己的办公场所或者家里观察用户，这个计划在全美范围展开。
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英文: Because of the obvious complementarity of axiomatic design (AD) and design structure matrix (DSM), it is considered that axiomatic design matrix (DM) and DSM can co-evolve step-by-step during the product design process, which can lead to an ideal integrat
中文: 摘要基于公理化设计与设计结构矩阵具有互补性这一特点，提出了公理化设计矩阵与设计结构矩阵同步演化的设计思想。
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英文: By introduction to structure analysis and design calculation of middle pressure tubular waste heat boiler with expansion joint, the author thinks rational selection to the standard and code of the boiler and vessel is the key to assure the product design
中文: 摘要通过介绍一台6t/h、带膨胀节的中压管壳式余热锅炉的结构分析和设计计算过程，认为在目前国内尚没有专门的《管壳式余热锅炉》标准情况下，合理选用各受压元件所对应的锅炉、压力容器标准规范，是确保该类产品设计制造质量和保障人身安全的关键。
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