... empirical significance level 经验显着性水平 empirical standard deviation 经验标准差 empirical term 经验项 ...
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利用对数疲劳寿命标准差的经验取值，得出了焊接接头对应一定置信度下不同安全概率的低温疲劳寿命表达式。
By means of the experiential value of logarithmic fatigue life standard error, the safety fatigue life of welded joints was obtained at different safety probability with certain confidence level.
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