基于极限状态函数矩估计的失效概率计算，提出一种新的可靠性灵敏度分析方法。
Based on the moment estimation of limit state function for calculation of failure probability, a new reliability sensitivity analysis method is presented.
根据求解数学期望的近似算法，提出了一种新的随机可靠性灵敏度分析的通用方法。
On the basis of approximate algorithm for expectation, a general RS algorithm is presented.
为了解决数字模拟方法效率低的问题，提出了相关变量模糊可靠性灵敏度分析的线抽样方法。
To overcome the disadvantage of numerical simulation, a line sampling algorithm is developed for FRS analysis with correlative variables.
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