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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。
By using fundamental solution matrix and method of perturbation, we give the expression of general solutions for two classes of differential equations.
运用基解矩阵和摄动方法，给出了两类微分方程的通解表达式。
Adopting method of perturbation theory dielectric tensor of the system is derived, MMP shows a completely different form of the dielectric tensor with the static magnetic plasma.
利用微扰理论导出了系统的介电张量，研究发现，MMP具有完全不同于静态磁化等离子体介电张量的形式。
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