CONCLUSION Model of nonlinear difference equation has the advantage of reliability and stability.
结论该非线性差分方程模型具有良好的可靠性和稳定性。
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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