A.數(shù)據(jù)結(jié)構(gòu) B.數(shù)據(jù)流 C.數(shù)據(jù)存儲(chǔ) D.數(shù)據(jù)項(xiàng)
A.80% B.50% C.35% D.15%
A.概念結(jié)構(gòu)設(shè)計(jì)B.邏輯結(jié)構(gòu)設(shè)計(jì)C.物理結(jié)構(gòu)設(shè)計(jì)D.總體結(jié)構(gòu)設(shè)計(jì)