http://www.lumina.com/software/influencediagrams.html 有相关解释和图例，影响图也是一种决策分析工具
An influence diagram is a simple visual representation of a decision problem. Influence diagrams offer an intuitive way to identify and display the essential elements, including decisions, uncertainties, and objectives, and how they influence each other.
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原文链接：[概念] 风险识别工具 - 影响图(Influence Diagram)，转载请注明来源！