commutative [ˈkɑmjəˌtetɪv, kəˈmjutətɪv]

例句:

• Multiplication of permutations , unlike multiplication of numbers, is not always commutative.
  置换的乘法不同于数的乘法, 它并不一定满足交换律.
  
• The central notion in commutative algebra is that of a prime ideal.
  交换代数中最核心的概念就是素理想.
  
• It'should be clear that vector addition is commutative.
  可清楚地看0剑0矢量加法满足对易律.
  
• The mathematical rules of Quantum Mechanics are not commutative.
  来自SA
• The associative, commutative and distributive laws.
  来自B. Russell
• The commutative law applies in considering whether to convert a Traditional to a Roth, but not whether to invest pre-tax income.
  来自SA