本文引入强s—闭空间的概念，用半正则集刻画了它的特征，并讨论了它的性质以及与其它空间的关系。
In this paper, we have introduced the concept of strong S-closed Spaces, have studied some fundamental properties and the relations between strong S-closed Spaces and other Spaces.
本注记给出局部S-闭空间X是极不连通的充要条件是X中每个相对X是S-闭的半正则于集是闭集。
Locany S-Closed Space is extremally disconnected if and only if every semi-regular S-closed set relative to X is Closed set.
利用正则开（闭）集引入LF拓扑空间之间的几种正则序同态和几种正则连续性，并讨论了它们的性质及其相互关系。
Regular order homomorphic mapping and regular continuity concepts are introduced by concepts of regular closed sets in LF topological spaces.
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