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相对闭集,relative closed set
2023-03-31 15:30词典 人已围观
1)relative closed set
相对闭集
2)S-Closed relative to X
子集相对X是S-闭
3)Closed-Set (Closed,Closed-Valued) Corres-pondence
闭集(闭,闭值)对应
4)relative closure
相对闭包
5)a land relatively small in area but with a comparatively dense population
相对封闭
例句>>
6)closed-valued (closed-set) correspondences
闭值(闭集)对应
补充资料:闭集
闭集
dosed set
闭集ld吹d肥t买姗.叮l说M“馏ec佃],拓扑空间中的 含有它的所有极限点〔见集合的极限点(】imjtpolnt of a set)、的集合.于是,闭集的补集的所有点都是内点,所以闭集可定义为开集的补集.闭集的概念是把拓扑空间定义为具有满足下列公理的特定集合系统〔所谓闭集)的作空集X的基础:X本身和空集是闭集;任意个闭集的交是闭集;有限个闭集的并是闭集.
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相对闭集,relative closed set
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