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Risk analysis has become more and more important in practical application，but there has not been a widely accepted flame work and model for the research．Motivated by factor analysis method and Kaplan-Garrick’s quantitative defmition of risk，a general risk model Was established based on analyzing risk situations and employing information system and evidence theory，and Kaplan-Garrick’s result Was improved to introduce a frame word for analyzing and managing risk． 相似文献
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