阶差分 meaning in English

difference of n-th order

Oscillation of second order difference operator
一类二阶差分算子的振动性
Positive solutions of boundary value problems for n - order difference equations
阶差分方程边值问题的正解
Numerical solution of poisson equation with non - uniform mesh finite difference scheme
求解双曲守恒律的均匀二阶差分格式
Oscillatory and asymptotic behaviour of unsteady second - order difference equation
不稳定型二阶差分方程解的振动性及渐近性
Oscillation of unstable type first order difference equation with continuous variable
连续变量不稳定型一阶差分方程的振动性

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