A.單值屬性B.結(jié)構(gòu)屬性C.多值屬性D.互斥屬性E.靜態(tài)屬性F.動態(tài)屬性
A.增加數(shù)據(jù)B.刪除數(shù)據(jù)C.輔助功能D.數(shù)據(jù)排序E.據(jù)備份與恢復F.數(shù)據(jù)轉(zhuǎn)存與導入
A.COCOMOB.代碼行數(shù)度量C.FFP度量法D.統(tǒng)計樣本E.掙值分析法F.Putnam