The stress, strength and other design variables of porcelain sleeve can all be considered to obey normal distribution, and dealt as normally distributed variables during calculation.
瓷套的应力、强度和各设计变量均可认为服从正态分布,在设计时作为正态分布变量处理。
When multiple outliers occur in linear regression model or the distribution of residuals is not normal, we can use residuals rank as weight function to get some resist estimator.
线性回归模型的误差项不服从正态分布或存在多个离群点时,可以将残差秩次的某些函数作为权重引入估计模型来减少离群点的不良影响。
By experimental data analysis, the random change of the reciprocal induction time as well as the induction time is in conformity to logarithmic normal distribution.
实验数据分析表明,诱导时间的倒数的随机变化规律服从对数正态分布。同样,诱导时间亦服从对数正态分布。
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