结构重要度分析是从事故树结构上入手分析各基本事件的重要程度
传统结构重要度分析方法是基于数值模式(0,1)的方法，是确定的二值问题。
The traditional analysis method of structure importance is a determined logical problem which is based on numerical mode (0, 1).
定量计算了各基本事件的结构重要度及重要度排序，确定了影响腐蚀的主要因素。
The main corrosion factors were determined based on the structure importance degrees of the each basic event obtained by quantity calculation and the order of the structure importance degrees.
应用事故树分析中的最小割集、最小径集及结构重要度，对汛期尾矿坝溃坝事故进行了研究。
Accordingly, the accident of tailings dam break during flood season is studied by applying fault tree analysis that includes minimum cut sets, minimum path sets and structure importance.
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