A.數(shù)據(jù)定義B.數(shù)據(jù)維護(hù)C.數(shù)據(jù)通訊D.數(shù)據(jù)庫設(shè)計(jì)
A.DFD圖 B.PAD圖 C.IPO圖 D.數(shù)據(jù)字典
A.模塊說明書B.軟件規(guī)格說明書C.項(xiàng)目開發(fā)計(jì)劃D.合同文檔