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按照统计失效数据预测疲劳寿命,通常只不过是一种估算。而根据局部应变概念进行疲劳分析则能得到较精确的寿命预测。
Predicting fatigue life based on statistical failure data is usually just an estimate. Fatigue analysis based on the concept of local strain can get a more accurate prediction of life expectancy.