单词	even permutation
释义	even permutation noun : a permutation that is produced by the successive application of an even number of interchanges of pairs of elements Word History First Known Use 1881, in the meaning defined above
随便看	radioer radioest radiogenetics radiogenic radiogoniometer radiogoniometric radiogoniometry radiogram radiogramophones radiograms radiograph radiographed radiographer radiographers radiographic radiographically radiographies radiographing radiographs radiography radiohalo radiohumeral index radioimmunoassay radioimmunoassayable radioimmunoassays

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