| 词汇 | direct sum |
| 类别 | 英汉双解翻译词典 |
| 释义 | direct sum 释义 直和：数学中的一个概念，表示两个或多个数学结构的直接组合。 例句 1·When a direct sum of lifting modules is lifting is studied here. 研究了提升模的任意直和在什么条件下仍是提升模。 2·An integral extension construction of domains was also derived by using the semi-direct sum of rings. 同时，还证明了半直和的剩余类环是整环的一个整扩张。 3·We introduce the notion of topological direct sum , and get a representative theorem of inductive limit by topological direct sum and quotient space. 然后引入拓扑直和的概念，利用它和商空间给出一个归纳极限表示定理。 |
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