英语词汇“r-permutation”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	r-permutation
释义	r-permutation r-permutation [′är ‚pər·myə‚tā·shən] (mathematics) An r-permutation of a set is an ordered selection of r elements of the set.
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英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。