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题目内容
（河南理工大学安全系统工程）
某事故树的最小径集为：Pl＝{Xl，X2，X4}，P2＝{Xl，X2，X5}，P3＝{Xl，X3，X6}，P4＝{Xl，X3，X7}，则结构重要程度为（）。
A.I(1)＞I(2)＝I(3)＞I(4)＝I(5)
B.I(1)＞I(2)＜I(3)＞I(4)＝I(5)
C.I(1)＞I(2)＞I(3)＜I(4)＝I(5)
D.I(3)＞I(2)＜I(1)＞I(4)＝I(5)
A.I(1)＞I(2)＝I(3)＞I(4)＝I(5)
B.I(1)＞I(2)＜I(3)＞I(4)＝I(5)
C.I(1)＞I(2)＞I(3)＜I(4)＝I(5)
D.I(3)＞I(2)＜I(1)＞I(4)＝I(5)
参考答案