抽象积分微分方程 Abstract integrodifferential equation
抽象脉冲微分方程 abstract impulsive differential equation
抽象脉冲积分微分方程 abstract impulses integrodifferential equation
研究抽象空间微分方程周期解的存在性一直是比较困难的问题。
It is a difficult problem studying the existence of periodic solutions of differential equation in abstract Spaces.
并将抽象结果应用到超线性微分方程两点边值问题。
Finally, the abstract results are applied to superlinear two-point boundary value problems.
本文从混凝土坝分层浇筑坝体温度的实际问题中，抽象出一类抛物偏微分方程组的混合问题，并且证明了其广义解的存在唯一。
In this paper, an abstract mixed problem of a class parabolic differential equations is generalized from the dam body temperature during the stratified placement of concrete dam.
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