semi linear abstract equation 半线性抽象方程
multivariate second order abstract equation 多元二阶抽象方程
abstract delay equation 抽象时滞方程
abstract linear equation 抽象线性方程
abstract dynamic equation 抽象动力方程
abstract kinetic equation 抽象动力方程
abstract integral equation 抽象积分方程
Now, that looks like a very abstract strange equation.
这看起来是一个奇怪的抽象方程。
Abstract: Some problems of quantum mechanics can be solved easily by means of the invariant of differential equation.
文摘：利用常微分方程的不变式，非常方便地求解了一些量子力学问题。
It is a difficult problem studying the existence of periodic solutions of differential equation in abstract Spaces.
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。
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