活性粉末混凝土的弯曲疲劳寿命分布服从两参数威布尔分布。
The bending fatigue life of RPC can be described by two parameter Weibull distribution.
研究表明，大量规则分布、互不重叠的合金化区及其周围的相变硬化区从总体上降低了疲劳裂纹扩展速率，提高了材料的疲劳寿命。
It is shown that a regular pattern distribution of scattered alloying zones which surrounded by phase transformation zone can retard the fatigue crack growth rate and improve the fatigue life.
最后，在假定结构疲劳寿命服从威布尔分布的基础上，推导了相应的疲劳可靠度公式。
Finally, given that the structure fatigue longevity obey the Weibull distribution, thefatigue reliability formula can be deduced.
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