countable covering
基本释义:
可数覆盖
网络释义
1)countable covering,可数覆盖
2)point countable cover,点可数覆盖
3)Point-countable cover,点可数覆盖
4)star-countable cover,星可数覆盖
5)Countable,可数
6)countable and uncoun table,可数不可数
7)countable tightness,可数紧度
8)countable noun,可数名词
9)countable compactness,可数紧性
10)countable compact set,可数紧集
用法和例句
It contains the point countable covers, the classified hypothesis of spaces, hereditarily closure preserving covers, independence, the topology of function spaces and some open problems.
综述作者近年来在广义度量空间理论中的研究进展 ,内容涉及点可数覆盖、空间分类设想、遗传闭包保持覆盖、独立性问题与函数空间拓扑 ,同时提出一些尚未解决的问
In this paper the newest advances about point-countable covers have been given at home and abroad since 1994.
综述了１９９４年以来国际上关于点可数覆盖研究的最新进展，涉及度量空间的确定ｓ映象、度量空间的确定紧映象和具有点可数ｋ网的空间等，列举一些尚未解决的问题供探讨。
In this paper,we discuss when f(x) is a real valued function on E(ER 1),the sets of various discontinuous points of f(x) is or not is countable;when f(x) is semi continuous function,discontinuous points of f(x) is or not is countable.
给出当 f(x)是 E(E R1)上的实值有界半连续函数时 ,f(x)的不连续点是至多可数的 ,从而当 f(x)为强半连续函数时 ,则 f(x)取至多可数值。
English nouns can be practically classified into countable nouns and uncountable nouns.
英语名词可以从实用的角度分为可数名词及不可数名词。
In this paper, the concepts of twelve countable compactness in symmetric topological molecular lattices are introduced.
在对称拓扑分子格中引入12种可数紧性的概念,着重指出了它们在极不连通的对称拓扑分子格中的内在联系。
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