并采用应力严重系数法估算了其疲劳寿命。
The stress severity factor method is used to calculate the fatigue life of the structure.
民机结构的疲劳寿命服从双参数威布尔分布，其分散系数与战斗机基于对数正态分布的疲劳寿命分散系数存在明显的不同。
The fatigue life of civil aircraft structures obeys two parameter Weibull distribution, its scatter factor is significantly different from that obeys logarithm normal distribution.
民机结构的疲劳寿命服从双参数威布尔分布，其分散系数与战斗机基于对数正态分布的疲劳寿命分散系数存在明显的不同。
The fatigue life of civil aircraft structures obeys two parameter Weibull distribution, its scatter factor is significantly different from that obeys logarithm normal distribution.
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