基本解释[数学]拓扑直和英汉例句双语例句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。topological direct sum更多例句专业释义数学拓扑直和