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	pilm pilo- Pilobolus pilocarpine pilocarpines pilocystic piloerection pilomotion pilon piloncillo pilonidal pilori pilori rat Pilosa pilose pilosellae pilosellas piloser pilosest pilosine pilosis pilosism pilosities Ranvier's node ranz des vaches

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