This paper gives the proof of this rule, and applies this rule to calculate the transition probability of the emission and absorption of light.
本文给出了这一规则的证明，并应用此规则计算了光的发射与吸收的跃迁几率。
We educe a probability of the electric quadrupole emission of a photon induced by collision between two neutral atoms of inert gases.
文章导出一种由两个中性的惰性气体原子之间的碰撞引起的电四极辐射几率。
The neutron emission width, the fission width and the realization probability for one neutron emission and their relation with excitation energy and angular momentum are also presented.
给出了中子蒸发宽度、裂变宽度和超重核蒸发一个中子的概率对激发能与角动量分波的依赖关系。
The relaxation rate of upper level is equal to the transition probability of stimulated emission.
激光达到饱和强度时，上能级弛豫速率等于受激跃迁几率。
The result of initiation time is consistent with experiment. Emission rate of delayed neutron attained from calculation can well explain the probability distribution of initiation time.
计算结果表明，脉冲引发时刻概率分布的计算结果与实验结果符合较好，所获得的缓发中子发射率规律可合理解释引发时刻概率分布的实验结果。
The result of initiation time is consistent with experiment. Emission rate of delayed neutron attained from calculation can well explain the probability distribution of initiation time.
计算结果表明，脉冲引发时刻概率分布的计算结果与实验结果符合较好，所获得的缓发中子发射率规律可合理解释引发时刻概率分布的实验结果。
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