[數(shù)] 序列閉集 sequentially compact set: 列緊集sequentially: 繼續(xù)地closed set: 閉集合; 閉子集; 封閉集abgeschlossene menge closed set: 閉集absolutely convex closed set: 絕對(duì)凸閉集下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯