The polynomial model is compared with the power function model.
并与切削力系数的幂函数回归模型进行了比较分析。
The errors of the data obtained using the power function model are very small from the test data.
用幂函数模型描述的回归曲线以及根据试验参数得到模拟曲线与试验值比较误差均较小。
Methods 4 types of curve-model such as Inverse function model, Power function model, Logarithmic function model and S-function model were used to fit the trend of Type-B encephalitis incidence rate.
方法采用倒数函数、幂函数、对数函数、S型函数四个曲线函数拟合乙脑发病率，经比较选择倒数函数为较优拟合模型。
Methods 4 types of curve-model such as Inverse function model, Power function model, Logarithmic function model and S-function model were used to fit the trend of Type-B encephalitis incidence rate.
方法采用倒数函数、幂函数、对数函数、S型函数四个曲线函数拟合乙脑发病率，经比较选择倒数函数为较优拟合模型。
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