Initial in-situ stress field is analyzed with multiple variables and equations regression.
在初始地应力场分析问题中，采用了多方程回归方法。
The regression equations of expiratory and inspiratory resistances were built with multiple stepwise regression analysis on the IBM PC/XT computer with age, height and FVC as independent variables.
以年龄、身高、FVC为自变量，在IBM-PC／XT计算机上用多元逐步回归法建立呼气和吸气阻力的回归方程。
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