二阶微分方程
second-order differential equation
second order differential equation
differential equation of second order
second order differential equations
second-order ordinary differential equations
second order equation
two order differential equation
二阶微分方程式
second order differential equation
二阶微分方程组
systems of second order differential equations
calculus of variations
非线性二阶微分方程
nonlinear second order differential equation
具非负特征形式二阶微分方程
Differential equations of second order with no-negative characteristic form
泛函微分微分方程
functional differential equation
积分型微分方程
integrodifferential equations
奇异摄动常微分方程(ODE)模型
Singularly perturbed ordinary differential (ODE) model
时滞微分方程模型
time-delay differential equation model
微分方程模型
differential equation model
ordinary differential equation model
differential equations
线性微分方程模型
linear differential model
不连续二阶积分微分方程
discontinous second order integro-differential equ
二变量积分－微分方程
integral differential equation with two variables
integral-differential equation with two variables
二阶积分微分方程
second order integro-differential equations
二阶椭圆型微分方程
Second order elliptic differential equation
elliptic partial differential equations of second order
Elliptic differential equations of second order
elliptic partial differential equations of second
二阶中立型微分方程
second order neutral differential equations
二维退化中立型微分方程
two-dimensional degenerate neutral differential equations
two-dimensional degenerate neutral differential eq