First-order Second-moment Method 一次二阶矩法
adapted first-order second-moment method 改进的一次二阶矩法
adapted first- order second-moment method 改进的一次二阶矩法
improved first-order second-moment method 一次二阶矩法
advanced first-order second-moment method 改进的一次二阶矩法
Integral first-order second moment method 积分一次二阶矩法
Based on reliability theory, the first order second moment method (JC method) is adopted to analyze and compute the fatigue reliability.
基于可靠度理论，本文采用一次二阶矩法(JC法)对疲劳裂纹扩展可靠性进行计算。
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.
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。
The advanced first order and second moment iterative method are employed for calculation on reliability index and failure probability.
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。
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