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单词 permutation
释义 permutation/pɜ:mjʊˈteiʃ(ə)n/n. 1a an ordered arrangement or grouping of a set of numbers, items, etc. (一组数字、项目等的按序的)排列 b any one of the range of possible groupings 排列 2 any combination or selection of a specified number of things from a larger group, esp. Brit. matches in a football pool [尤英] (指足球普尔赌博中的)选定组合 permutational adj.[Middle English from Old French, or from Latin permutatio (as PERMUTE)]
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