用集合近似邻域为手段，研究了知识论域拓扑空间，得出了一些重要结论。
The knowledge universe topology Spaces are studied by set approximate neighbourhood, and many important conclusions are achieved.
用集合近似邻域为手段，研究了知识论域拓扑空间，得出了一些重要结论。
The knowledge universe topology Spaces are studied by set approximate neighbourhood, and many important conclusions are achieved.
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