The Bohr condition for quantum transitions and the Einstein law for photo-electric effects are approximate results of perturbation.
跃迁的玻尔条件和光电效应的爱因斯坦定律都是微扰近似的结果,在强激光引起的跃迁中不成立。
Furthermore,the paper gave an equivalent frequency condition.
针对给定的性能指标,通过受限等价变换,得到判别广义连续系统控制器是极小极大控制器的充要条件及其等价的频率条件。
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