To satisfy or engage in a commutative operation. 直接转换符合或从事交换操作。
Secondly, a type of new loop algebra A2 is constructed by applying a kind of new commutative operation. 其次,根据一种新的换位运算构造了一个新的loop代数(?)
With it foreign software of PKI can be researched and CA be designed to improve efficiency, commutative operation, security of the CA system. 研究国外PKI软件产品,对CA进行设计,可以提高CA系统的效率、互操作性以及安全性。