单词	root-mean-square
释义	root-mean-square noun ˈrüt-ˈmēn-ˈskwer  ˈru̇t- : the square root of the arithmetic mean of the squares of a set of numbers Word History First Known Use 1895, in the meaning defined above
随便看	Symonds Symons sympath- sympathectomies sympathectomize sympathectomized sympathectomy sympathetic sympathetic clock sympathetic ink sympathetic magic sympathetic nervous system sympathetic powder sympathetic strike sympathetic strikes sympathetic vibration sympathetical sympathetically sympatheticness sympathetico- sympathetics sympathetoblast sympathico- sympathies sympathins

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