（近）微分特征列集
Nearly) differential charac-teristic set
(脉冲)积分微分方程
impulse integro-differential equation
2e三重微分截面
2e triple differential cross sections
2-指标微分代数方程
index-2 differential-algebraic equations
4次微分方程式
fourth-order linear differential equation
ADV微分浮阀
ADV differential floating tray
ADV微分浮阀塔盘
ADV differential valve tray
Banach空间常微分方程
ordinary equations in Banach space
Banach空间积-微分方程
integro differential equation in Banach space
Banach空间微分方程
differential equations in Banach spaces
Bessel微分方程
Bessel’s differential equation
Black-Scholes偏微分方程
Black-Scholes partial differential equation