Through performance-based fire protection design analysis of uncertainties, there are accidental and cognitive uncertainty.
通过性能化防火设计中不确定性因素的分析，主要有偶然的和认知的不确定性。
Through the analysis and comparison, It is found that the uncertainty of wind field has immense effects on the nuclear accidents emergency decision.
通过比较分析，发现风场变化的不确定性对核事故应急决策有很大的影响。
Through failure analysis of heat exchangers and in consideration of uncertainty and randomness of several main parameters, the random variables are calculated by Mote-Carlo modeling.
针对换热器的失效分析，考虑几种主要参数的不确定性和随机性，应用蒙特卡罗模拟法抽样计算了服从某种特定分布的随机变量。
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