計算機： = Data Base Server,數(shù)據(jù)庫服務(wù)程序[器]; = Data Base Service, 數(shù)據(jù)庫服務(wù); = Data Base System, 數(shù)據(jù)庫系統(tǒng); = Direct Broadcast Satellite, 定向[直接]廣播衛(wèi)星; = Direct Broadcasting Satellite, 直播衛(wèi)星; = Double Break Switch, 雙斷開關(guān)；