单词	Planck's constant
释义	Planck's constant noun ˈpläŋ(k)s-  ˈplaŋ(k)s-  variants or less commonly Planck constant : a constant that gives the unvarying ratio of the energy of a quantum of radiation to its frequency and that has an exact value of 6.62607015 × 10−34 joule seconds —symbol h Word History Etymology Max K. E. L. Planck First Known Use 1910, in the meaning defined above Medical Definition Planck's constant noun ˈplaŋ(k)s-  ˈpläŋ(k)s-  : a constant that gives the unvarying ratio of the energy of a quantum of radiation to its frequency and that has an approximate value of 6.626 × 10−34 joule second —symbol h
随便看	have it over have it rough have its beginnings have its uses have kittens have less in common with have little faith in have little to recommend her have little to recommend him have little to recommend it have little/nothing to recommend it have mercy have mercy/pity have more in common with have more than one string to one's bow have much success have much to commend it have much to recommend her have much to recommend him have much to recommend it have news for have news for someone have no faith have no idea have no intention of

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