英语词汇“sigma compactness”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	sigma compactness
释义	sigma compactness 基本例句紧性 In this paper the local compactness of the nonempty closed subsets hyperspaces with locally finite topology is discussed.摘要本文讨论了赋予局部有限拓扑的非空闲子集超空间的局部紧性。
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