大型共享數(shù)據(jù)的關(guān)系模型 relational data model: 關(guān)系數(shù)據(jù)模型; 相關(guān)數(shù)據(jù)模型large shared data bank: 大型共享數(shù)據(jù)庫shared data: 共享數(shù)據(jù)post-relational data base: 后關(guān)系數(shù)據(jù)庫proprietary relational data base: 專利關(guān)系數(shù)據(jù)庫下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
