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在并行设计理论的指导下，通过对并行工程及其相关信息支持工具研究现状的分析，提出了产品需求建模研究的课题，论述了系统化需求建模可行性和实现方法．基于对需求建模过程与并行设计过程的内在联系的分析，揭示了产品需求建模过程的基本特性，进而阐明了需求建模是并行设计有效实施的前提，明确了建模的内容、相关的支持技术以及具体的实现方法，并重点研究了基于产品需求拓扑结构的需求获取技术．
Under the guidance of parallel design theory, through the analysis of the research status of concurrent engineering and related information support tools, the topic of product demand modeling research is proposed, and the feasibility and implementation method of systematic demand modeling are discussed. Based on the analysis of the intrinsic relationship between the demand modeling process and the parallel design process, the basic characteristics of the product demand modeling process are revealed, and then the requirements modeling is the prerequisite for the effective implementation of the parallel design, and the content of the modeling is defined and relevant. Supporting technologies and specific implementation methods, and focusing on the requirements acquisition technology based on the product demand topology.