1) Top event
顶事件
1.
To overcome this shortcoming,this paper expresses the fuzzy probabilities of events with the normal number,and deduces out the simple and general formulas for fuzzy probability of the top event and fuzzy probability importances of basic events.
传统的故障树分析方法没有考虑事件发生概率的模糊性，为了克服这一缺点，本文用正态模糊数来描述故障树中底事件的模糊概率，导出具有普遍性的顶事件模糊概率和底事件模糊概率重要度的简单计算公式，并分析它们的误差。
2.
On the basis of norm system of quantitative analysis on tobacco machine reliability, the paper discusses algorithm of occuring probability of top event and probability importance of basic event.
在提出烟机可靠性定量分析指标的基础上，详述了顶事件发生概率和各底事件概率重要度的计算方法，并用Ｃ语言实现了定量研究。
2) top event
顶上事件
3) top event probability
顶部事件
1.
Safety analysis includes fault tree construction,fault tree reduction, minimal cut set algorithm and top event probability computation according to basic event fault probability.
面向对象软件可靠性分析过程包括面向对象软件故障树构造、故障树简化及量化、依据基本事件失效概率确定系统失效 (顶部事件 )的概率等。
4) top event failure probability
顶事件失效概率
5) Top-Event Occurrence Rate
顶事件发生概率
1.
An Approximate Algorithm for Top-Event Occurrence Rate of Dynamic Fault Trees;
一种动态故障树顶事件发生概率的近似算法
6) top undesired event
顶部意外事件
补充资料：顶事
（～儿）能解决问题；有用：别看他个子小，干起活来可～呢ㄧ多穿件夹衣也还～ㄧ吃这药不～。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条