In this paper covering space is introduced. The notions, neighborhood, interior, closure and measure, are defined, and the properties of them are studied.
引入覆盖空间，定义了其邻域、内部、闭包、测度等概念，研究了它们的性质。
The paper, with reference to the sample of Zhongqingliji, studies the general workmanship and devices covering space-time, verse infix, imagery, and the system of narration.
以《钟情丽集》为考察中心，可总结出明代中篇传奇小说在叙事时空、诗词插附和意象叙事以及叙事制度等方面的基本叙事技法和策略。
The important conclusion that the approximate space of rough sets and topology space are specific covering Spaces is achieved. So rough sets and topology are unified by covering space.
得出了粗糙集近似空间和拓扑空间都是具体覆盖空间的重要结论，从而用覆盖空间统一了粗糙集和拓扑。
The important conclusion that the approximate space of rough sets and topology space are specific covering Spaces is achieved. So rough sets and topology are unified by covering space.
得出了粗糙集近似空间和拓扑空间都是具体覆盖空间的重要结论，从而用覆盖空间统一了粗糙集和拓扑。
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