一次二阶矩法 First-order Second-moment Method ; FOSM ; AFSOM
一次二阶矩 FOSM ; FIRST ORDER SECOND MOMENT
用一次二阶矩法 first order reliability method
利用一次二阶矩 First-Order Second-Moment
利用一次二阶矩法 first order reliability method
采用一次二阶矩法 F irst-O rder Reliab ilityM ethod
改进一次二阶矩 AFOSM
一次二阶矩方法 the method of simple and two ranks quadrature
均值一次二阶矩法 MFOSM
第一阶第二次矩 FIRST ORDER SECOND MOMENT
采用改进的一次二阶矩法对腐蚀管道的可靠性指标和失效概率进行了分析和计算。
The advanced first order and second moment iterative method are employed for calculation on reliability index and failure probability.
通过对模型中的参数进行模糊化处理，用改进一次二阶矩法计算了地下水过量开采的模糊风险率。
The parameters of the model are fuzzily processed and the fuzzy risk can be evaluated by using the modified first order second moment method.
根据提出的可靠度计算理论和方法，编制了基于一次二阶矩和JC法的可靠度计算程序。
Secondly, the procedure of tunnel lining based on First Order Second Moment(FOSM) and JC method is presented to calculate the reliability of tunnel lining.
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