本文在LF双拓扑空间中给出双-（半-）良紧集的概念，并讨论了它们的性质和相互关系，获得了一系列结果。
In this paper we give conpcept of pairwise (sime-) well compact sets in LF bitopological spaces and we discuss their property and relation.
只要求第二空间是半序拓扑空间，B（D）是相对紧集，所得结果推广了近期相关结论。
It is only required that the second space is partly ordered topological space and B(D) possess the relatively compactness.
定义了A-紧1-集压缩映象场的广义度，扩展了1984年张庆雍建立的半紧1-集压缩映射的不动点指数理论。
In the present paper, we define a generalized degree for A-compact 1-set contraction mapping, the result extends what Zhang Qingyong obtained in 1984.
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