1) (weakly)pre-open sets
(弱)准开集
2) weakly semiopen sets
弱半开集
1.
This paper studies some fundamental properties in semitopological spaces,introduces the concept of weakly semiopen sets in L-topological spaces and the concept of weakly semicontinuous order homomorphism,and give out some of its fundamental properties.
在L-拓扑空间中引进了弱半开集的概念,借助弱半开集,引入了L-拓扑空间中的弱半连续序同态的概念,并且给出了它的一些基本性质。
3) weak semi-open (closed) set
弱半开(闭)集
1.
Some connections between the weak semi-open (closed) set and the semi-open (closed), the weak semi-interior (closure) and the semi-interior (closure) are investigated.
定义了L-fuzzy子空间中的弱半开(闭)集、弱半内部、弱半闭包等概念,研究L-fuzzy子空间中的弱半开(闭)集与全空间中的半开(闭)集、弱半内部与半内部、弱半闭包与半闭包之间的关系,利用取补、取弱半内部和弱半闭包运算使Kuratowski’s十四集定理在L-fuzzy子空间中得到一般化。
4) pre-open set
准开集
1.
The relationship of q-open sets to semi-open and pre-open sets;
拟开集同半开集和准开集的关系
2.
Further more the relationship between q-open sets and semi-open sets and pre-open sets are discussed.
给出了q -开集的定义及其相应性质 ,讨论q-开集同半开集、准开集 ,α -集之间的关系 。
5) strongly pre-open sets
强准开集
6) countably weak pre-semi-compact set
可数弱准半紧集
1.
In this paper, the concepts of countably weak pre-semi-compact sets and weakly pre-semi-Lindelf sets in L-fuzzy topological spaces are introduced.
在L-fuzzy拓扑空间针对一般的L-fuzzy子集引入了可数弱准半紧集和弱准半Lindelf集的概念,研究了它们的基本性质。
补充资料：弱弱联合
弱弱联合是指两个总体实力都不强但都拥有自己独特的某方面优势的企业之间进行联合，以形成较强的实力。弱弱联合，弱企业之间优势互补，可以形成整体实力变强的效应。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条