This rapid development process can be defined more formally in terms of a software life cycle model.

这种快速开发流程可以根据软件生命周期模型进行更正式的定义。

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VPMFLC is a structural model that integrated all product information for life cycle. It is the core of information integration and process integration.

面向全生命周期虚拟产品模型是对全生命周期产品信息进行的结构化集成，它是信息集成和过程集成的核心。

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Moreover, a frame model of knowledge chain management based on life cycle is constructed, after it discusses on the process of knowledge chain management in every phase of life cycle.

阐释了知识链及其生命周期，将知识链的生命周期划分为酝酿期、组建期、运行期、解体期四个阶段，分析了生命周期各阶段中知识链管理的流程和内容，构建了基于生命周期的知识链管理框架模型。

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