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n. (组事物可能种)序列,排列;排列中组数字或文字
permutation and combination n. [数]排列组合

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ad valorem, ad valorem tax, ad., Ada, ADAC, adactyl, adactylia, adactylous, adactyly, ADADS,

相似单词


permselective, permselectivity, permutability, permutable, permutate, permutation, permutator, permute, permutit, permutite,