Commutative law teaching designs addition significance and addition .

加法的意义和加法交换律教学设计。

To satisfy or engage in a commutative operation .

直接转换符合或从事交换操作。

Unlike classical groups , which act on commutative spaces , quantum groups act on nocommutative spaces ( e.g. where xy doesn 't equal yx ) , which emerges through their unique curvature and quantum uncertainty .

不同于作用于交换空间的经典群，量子群作用于非对易空间（比如：xy不等于yx），这一点可以通过其独特的曲率和量子的不确定性表现出来。

However , the essence of market economy is commutative economy , money economy , finance economy .

然而，市场经济的实质是交换经济、货币经济、金融经济。

" Manufacturing price " the common phenomenon in deciding commutative value is merchandise trade .

“生产价格”决定交换价值是商品交换中的普遍现象。