Next, the spin-orbit coupling force is introduced by a certain approximate method, and an energy spectrum comparable with experiment is obtained.
第二步用一种近似办法加进了自旋轨道耦合力，得到了可以和实验进行比较的能谱。
This model is solved by applying the direct perturbation method. The time evolution of spectrum and the first order approximate wave function for the system are presented.
利用直接微扰法，给出了该系统的一级近似波函数及能谱随时间的演化规律。
Furthermore, an approximate algorithm is pro-posed to compute the kinetic spectrum of each species, thus making the method effective as well for reactions with fractional orders.
提出用近似计算法计算各组分的动力学谱，使该方法能适用于任意反应级数的体系。
Furthermore, an approximate algorithm is pro-posed to compute the kinetic spectrum of each species, thus making the method effective as well for reactions with fractional orders.
提出用近似计算法计算各组分的动力学谱，使该方法能适用于任意反应级数的体系。
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