本文的目的是证明关于结合环可换性的三个定理。
The object of this paper is to prove three theorems of associated ring's commutativity.
这台洗衣机出售时曾担保过不出机械性故障——我要换一台新的。
This washing machine was guaranteed against mechanical failure— I demand a new one!
“市场换技术”的可行性一直成为各方争论的焦点。
The feasibility of "Market for Technology" is always the focus of argument.
“市场换技术”的可行性一直成为各方争论的焦点。
The feasibility of "Market for Technology" is always the focus of argument.
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