常見例句雙語(yǔ)例句The permutation of the finite set is introduced into the denumerable set as well as the definition of the basic rotation, the rotation and the composition of the countability.把有限集中的置換推廣到可數(shù)集上，引入基輪換、輪換及變換的可數(shù)次合成等概念的定義。 返回 denumerable set