Model of a Stage with Five Actors

有五个演员的舞台模型

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This study put forward a dynamic contingency model of assessment index system based on a five stage activity-decision theory.

提出划分研究开发项目过程的五阶段活动决策方法，并在此基础上建立了动态权变的评价指标选择模型；

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With the same model the advantage of a five-stage cyclone preheater system is indicated.

利用同一模型阐述了五级旋风预热器系统的优越性。

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