“Einstein's coefficient of stimulated emission”的概念、定义、翻译、参考文献-科学参考

单词	Einstein's coefficient of stimulated emission
释义	Einstein's coefficient of stimulated emission [¦īn´stīnz ´kō·ǝ¦fish·ǝnt ǝv ¦stim·yǝ´lād·ǝd ǝ`mish·ǝn] ^{ATOMIC PHYSICS} Proportionality constant governing the rate at which atoms or molecules pass from an upper energy state to a lower one by stimulated emission of radiation, equal to the number of such transitions per second divided by the product of energy of the radiation inducing the transition per unit volume per unit wave number and the number of atoms in the upper state.
随便看	variable visibility variable-volume air system variable waveguide attenuator variable-word-length variance variance ratio test variant variant record variate variate difference method variation variational inequality variational method variational principle variation diagram variation of latitude variation per day variation per hour variation per minute varicap varicella varicocele varicose varicose vein varicosity

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