一次二阶矩法 First-order Second-moment Method ; FOSM ; AFSOM
二次二阶矩法 SORM ; second-order second-moment method
二极管矩阵法 diode matrix method
用一次二阶矩法 first order reliability method
二次力矩分配法 Second Moment Distribution Method
利用一次二阶矩法 first order reliability method
二次差分矩阵法 SDMM
采用一次二阶矩法 F irst-O rder Reliab ilityM ethod
均值一次二阶矩法 MFOSM
一次二阶矩方法 the method of simple and two ranks quadrature
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.
由求解失效概率的改进一次二阶矩法出发，给出了失效概率对中间变量分布参数偏导数的计算公式；
On the basis of the advanced first order and second moment method, the partial derivatives of the failure probability to the distribution parameters of the process variables were formulated.
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