首頁›Browse›U›upper boundupper bound編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看upper boundupper bound — 名詞名詞1. a value that is greater than or equal to every element in a set1.名詞釋義上界a value that is greater than or equal to every element in a set例句The upper bound of the set {1,2,3} is 3.