Therefore, it is very necessary to research on the theory framework of knowledge process as well as modeling and improvement of knowledge process.

因此，对组织知识流程的理论框架以及知识流程的建模与改进进行研究是十分必要的。

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Based on analysis of maintenance organization modeling elements such as task, process and resource and so on, the task-oriented performance modeling framework was proposed.

在分析维修机构的任务、过程和资源等建模要素的基础上，提出了面向任务的维修机构性能建模框架。

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A whole trace-process framework of requirement change is drawn based on three tiers which are propagation & modeling, propagation path, and trace approach of requirement change.

基于需求信息传播与建模、需求变化信息传播路径和需求变化信息跟踪方法三个层面，阐述了软件变化跟踪的整体过程框架；

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