APP adj. (of a group) having members related by a commutative operation 〈數(shù)〉可換群,交換群......（本文共 67 字） [閱讀本文] >>
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adj. (of a group) having members related by a commutative operation 〈數(shù)〉可換群,交換群......（本文共 67 字） [閱讀本文] >>
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