结合孔隙结构分形维数计算原理，通过线性回归计算了各类孔隙的分形维数。
Combined the calculation principle of fractal dimension of porous structure, the fractal dimensions of three types of pore were obtained by linear regression.
根据已有的热水管道水头损失计算基本公式，采用多元线性回归计算方法，提出了新的热水管道水头损失计算公式。
The new equation for friction loss along the hot water is presented using the multi-regression analysis according to existing elementary friction equation.
该研究团队用以计算地球物种数量的是一种叫线性回归的方法。
The study team used a method called linear regression to calculate the number of Earth's species.
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