closed set

  • 中文含义： 闭集
  • 英语词性： noun
  • 美式音标： [kloʊzd sɛt]
  • 同义词： closed subset
  • 易混淆单词： open set（开集）

双语例句：

1. A closed set is a set that contains all of its limit points.

闭集是指包含所有极限点的集合。

2. The complement of a closed set is an open set.

闭集的补集是一个开集。