1·Rules can also be used for commutative and noncommutative algebra.
规则可以用于交换和非交换代数。
2·Heisenberg had not proceeded very far with this idea before he noticed that it would lead to his physical quantities not satisfying the commutative law of multiplication.
在意识到矩阵表示将导致物理量不满足乘法交换律之前，海森堡并没有前进太远。
3·Commutative writes also simplify the process of bringing up new partitions.
可交换的写操作简化了新数据块的创建流程。
4·The subtract operator, however, is not commutative; therefore, you need two operations to handle the value to be subtracted and the value from which the subtraction will take place.
但是，减法运算符是不可交换的；所以，需要两个操作来处理减数和被减数。
5·Ruless can also be used for commutative and noncommutative algebra.
规则可以用于交换和非交换代数。 。
1·It is the purely symmetric product; therefore, it is completely commutative.
它是纯对称的积；因此，它是完全可交换的。
2·In this paper, we introduce the notion of left weakly regular semigroup and show that in a commutative semigroup, the complete regularity, regularity, left resp.
介绍弱左正则幺半群的概念，指出在可交换半群中，完全正则、弱左(右)正则和完全幂等是等价的。