A.數(shù)據(jù)規(guī)模大 B.數(shù)據(jù)類型多樣 C.數(shù)據(jù)處理速度快 D.數(shù)據(jù)價值密度高
A.基本語音B.中速數(shù)據(jù)業(yè)務C.穿戴設備D.高速數(shù)據(jù)業(yè)務
A.2 B.3 C.4 D.5