1. Based on the number set, a new commutative semi-group is established in the integer number and extended in number fields of rational number, real number and the complex number. 在数集的基础上,在整数域上建立了一个新的交换半群,并在有理数域、实数域和复数域上进行了推广;
2. Based on the number set, a new commutative semi-group is established in the integer number and extended in number fields of rational number, real number and the complex number. 在数集的基础上,在整数域上建立了一个新的交换半群,并在有理数域、实数域和复数域上进行了推广;
3. A cardinal number indicating the absence of any or all units under consideration. '零基'。''数,表示在考虑下不存在的任一或所有的单位。
4. He indicated that the baidu user cardinal number and the difference are big. 他表示,百度的用户基数和差异性都非常大。
5. Huge user cardinal number and steady user growth are Tecent other business brings larger dominant position. 海量的用户基数及稳定的用户增长为腾讯其他业务带来较大的优势。