... 加法交换律 commutative law of addition 乘法交换律 commutative law of multiplication 小括号 parenthesis ...
双语例句
1
Heisenberg had not proceeded very far with this idea before he noticed that it would lead to his physical quantities not satisfying the commutativelawofmultiplication.
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。
2
We then can verify the associative law and the commutativelaw for multiplication, and the uniqueness of the result of addition indicates the uniqueness and the cancellation law for multiplication.