中英释义：
commutative group
讨论在什么条件下,一个群可以成为交换群. 首先讨论一般的群, 然后讨论有限群.
Some conditions were discussed, under which a group become an abelian group.
有限交换群的整群环是一类非常重要的环,计算它的相对K_ 1群在代数K - 理论中具有重要的意义.
The integral group rings of finite abelian groups are of great importance in algebraic k - theory.
交换群
commutative group
证明代数拓扑永远不会有不会自我冲突的交换群，在你眼里，我就是一金发猴子是吧？这可是自己说，我什么都没说。
A proof that algebraic topology can never have a nonself contradictory set of abelian groups. I'm just a blonde monkey to you, aren't I? You said it, not me.
《生活大爆炸 第六季》《The Big Bang Theory Season 6》
