关于某些相对紧性的一些注记

Some notes on some of the relative compact

运用覆盖理论,对相对紧、相对可数紧和相对Lindel ff紧进行研究和讨论,给出了它们之间的一些关系,并且结合相对分离性,获得某些传递等性质.

The text applies the covering theory to the study and discussion of the relative compact, the relative countably compact and the relative Lindeloeff compact. It shows some relations between them and joining the separation property and gains some properties of transmission.