强拟开集
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strong pre-open sets
强预开集
以上为机器翻译结果,长、整句建议使用 人工翻译 。
In this paper, strong pre-open and strong pre-close sets were introduced in topological spaces and their properties were researched.
在分明拓扑空间中引入强拟开集和强拟闭集的概念,并讨论了它们的性质。
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