A.交易數(shù)據(jù) B.冗余數(shù)據(jù) C.行為數(shù)據(jù) D.網(wǎng)絡(luò)數(shù)據(jù)
A.0.5% B.50% C.25% D.16.7%
A.4.8% B.6% C.40% D.12%