perturbation GRE

1.Perturbation Theory IV. Recurrences. Dephasing. Quasi-Degeneracy. Polyads.

17微理论IV.循环。移相。准简并。组合。

2.Frank's atheism was more than a perturbation to Michael.

弗兰克无神论使得迈克尔非常不安。

3.This perturbation of the electronic structure has been known as "pressure-tuning", which can reveal the piezochromism and changes in electronic spectra due to structural distortions.

电子结构被称为“压调整”，可以用来解释形变产生压色性。

4.The large deflection problem of cantilever beams was studied by means of the biparametric perturbation method and the first order derivative substitution from pseudolinear analysis approach.

利用拟线性分析方法中阶导数代换对基本方程进行了简化处理,将基本微分积分方程转化为非线性代数方程组,并结合双参数摄研究了悬臂梁大挠度问题。