This paper puts forward a recursion equation, which is verified in the forecast and calculation of phenol pollution of Linfen Section of Fenhe River.
文章提出的河流水质预测预报递归方程，在汾河临汾段酚的预测计算中得到了验证。
In this paper, we study the structure of the linear recursion equation and get the solution to the constant coefficient linear homogeneous recursion equation.
本文研究了线性递推方程解的结构以及常系数线性齐次递推方程解法。
In this paper, we study the structure of the linear recursion equation and get the solution to the constant coefficient linear homogeneous recursion equation.
本文研究了线性递推方程解的结构以及常系数线性齐次递推方程解法。
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