单词	symmetric group
释义	symmetric group noun : a permutation group that is composed of all of the permutations of n things Word History First Known Use 1897, in the meaning defined above
随便看	sprung (for) sprung (up) sprung for sprung from sprung hock sprung on sprung rhythm sprung up sprung weight sprung-rus sprunt spry spryer spryest sprylier spryliest spryly spryness sprynesses SPS spt spud spud casing spudded spudder

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