请输入您要查询的字词:

 

单词 ball
释义
ball

Mathematics
  • An open ball in a metric space containing all the points which are strictly less than a given distance from a fixed point. A closed ball contains all the points which are not more than a given distance from a fixed point. The open balls form a basis for the topology in a metric space.


随便看

 

科学参考收录了60776条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。

 

Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号 更新时间:2024/12/25 2:54:43