differential difference equation 差分微分方程

nonlinear differential-difference equation [数] 非线性微分差分方程

simultaneous differential-difference equation [数] 联立微分差分方程

differential difference equation dde 微分差分方程

neutral differential difference equation 中立型微分方程

partial differential difference equation 偏微分差分方程

advanced differential difference equation 超前型微分差分方程

retarded differential-difference equation 滞后型差分微分方程

neutral type differential difference equation 中立型微分差分方程

neutral type differential-difference equation 中立型差分微分方程