本文讨论了材料退化失效的基本概念，给出了微观结构随机演化的动力学方程，统一导出了失效几率，可靠性、失效几率密度、失效率和平均寿命。
Some key concepts in degradated failure of materials is discussed. The stochastic evolution equation of defect clusters is given and the failure probability reliability and failure rate are derived.
本文讨论了材料退化失效的基本概念，给出了微观结构随机演化的动力学方程，统一导出了失效几率，可靠性、失效几率密度、失效率和平均寿命。
Some key concepts in degradated failure of materials is discussed. The stochastic evolution equation of defect clusters is given and the failure probability reliability and failure rate are derived.
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