差分方程式 difference equation 差分方程组 system of difference equations 差分方程组的特征方程 characteristic equation of difference-equation system ..
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Multiple positive solutions for a class of higher order nonlinear neutral system of difference equations are studied in this paper.
本文研究了一类高阶非线性中立型差分方程组多正解的存在性。
Comparing the difference of the dissolution of gliquidone tablets by fiber-optic dissolution test system which use two different standard curve equations.
使用光纤药物溶出仪应用两种标准曲线方程时，比较格列喹酮片的溶出度差异。
The unified method of solving LDS(linear discrete system) difference equations of determinate and time varying coefficients as well as stochastic and stochastic time varying coefficients is proposed.
首次给出求解确定性与随机常系数差分方程及确定性与随机时变系数差分方程的统一方法；
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