In non-life insurance, the hypothesis of general linear model is hard to be satisfied.
在非寿险精算中，古典线性回归模型的假设很难得到满足。
This Paper present a two-dimensional non-linear dynamic cutting model.
建立了金属切削过程的二维颤振数学模型；
The threshold autoregressive model is a kind of non-linear time series model recently established.
门限自回归模型是一种新近创立的非线性时间序列摸型。
The mathematical expression of this model is a second order non linear ordinary difference equation.
该模型的数学形式是一个非线性二阶常微分方程，利用有限差分方法进行求解。
The mathematical expression of this model is a second order non linear ordinary difference equation.
该模型的数学形式是一个非线性二阶常微分方程，利用有限差分方法进行求解。
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