请输入您要查询的英文单词:

 

单词 topological space
释义

WordReference Random House Unabridged Dictionary of American English © 2024
topological space, [Math.]
  1. a set with a collection of subsets or open sets satisfying the properties that the union of open sets is an open set, the intersection of two open sets is an open set, and the given set and the empty set are open sets.
  • 1945–50

Collins Concise English Dictionary © HarperCollins Publishers::
topological space n
  1. a set S with an associated family of subsets τ that is closed under set union and finite intersection. S and the empty set are members of τ
随便看

 

英语词典包含188688条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/7/23 16:20:24