The perturbation approximation should be symplectic conservative.
摄动法近似应当保辛。
The canonical transformation method is proposed for symplectic conservative perturbation approximation.
然后给出正则变换的摄动保辛方法。
Usually these equations can be solved using the method of perturbation approximation in quantum mechanics.
通常利用量子力学的时间微扰法可求得这类方程一次近似解的黄金定律。
The small parameter perturbation approximation is applied quite often in applied mathematics and mechanics.
应用数学与力学经常使用小参数摄动近似。
The simulated results are analyzed and compared with those predicted from perturbation theory and integral equation theory under mean spherical approximation.
模拟结果与微扰理论和平均球近似积分方程理论的预测值进行了比较。
This result has been applied to the perturbation analysis of the problem of positive approximation for the matrix.
并且将这个结果应用于矩阵正逼近问题的扰动分析。
The instantunous change and heat-insulation approximation, and the condition of founding them, are dissused with time dependent perturbation theory in this paper.
本文由含时微扰理论出发，讨论了瞬变近似与绝热近似以及成立的条件。
The course also examines approximation methods: WKB method, variational principle, and perturbation theory.
同时，本课程也解释了几种常用的近似方法：WKB方法、变分原理、以及微扰理论。
The new method is based on combining perturbation method of eigen-problems with rational approximation of a vector-value function .
提出了一种新的结合特征灵敏度直接法和向量值函数有理逼近的结构动力重分析方法。
Using the perturbation method we have got the fourth order of approximation of the velocity potential to the problem.
运用摄动方法，给出了速度势的四阶近似，然后得到了圆柱表面的无量纲的压力系数和阻力系数。
Within the effective mass approximation and the perturbation method, the electron and hole ground-state energy in a magnetic field in the rectangular quantum wire are calculated.
在有效质量近似下，利用微扰理论研究了矩形量子线中电子和空穴的基态能量。
Within the effective mass approximation and the perturbation method, the electron and hole ground-state energy in a magnetic field in the rectangular quantum wire are calculated.
在有效质量近似下，利用微扰理论研究了矩形量子线中电子和空穴的基态能量。
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