A.適應(yīng)性維護 B.糾錯性維護 C.完善性維護 D.預(yù)防性維護
A.數(shù)據(jù)采集 B.數(shù)據(jù)校驗 C.數(shù)據(jù)錄入 D.數(shù)據(jù)挖掘
A.MIS B.ESS C.IOS D.NII