本文用模糊数学方法对构件因裂缝开展的耐久性失效概率作了初步分析，采用了“模糊事件概率” 的数学模型。
This paper has initially used the method of fuzzy sets to analyse the possibility of durability failure, and taken a mathematic model for the possibility of fuzzy event.
对模糊型网络计划，计算模糊工期风险概率是利用模糊事件概率的普通事件概率表示方法，用常规的概率方法求解。
Using the expression way of general event probability to fuzzy event probability, common method of probability can find fuzzy event period risk for fuzzy network planning.
对这两种极限状态，应分别采用随机事件和模糊随机事件概率的数学模型进行其可靠度分析。
The mathematical models of probability of random event and fuzzy random event should be taken to analyze the reliability of a structure for these two kinds of limit state.
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