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