Permutation
美 [ˌpɜrmjʊˈteɪʃ(ə)n]英 [ˌpɜː(r)mjʊˈteɪʃ(ə)n]
- n.置换;排列(方式);组合(方式)
- 网络交换;变换;彻底改变
复数:permutations

Permutation
1.排列(方式);组合(方式);置换any of the different ways in which a set of things can be ordered
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