A.字符B.文字C.數(shù)字D.數(shù)據(jù)
A.圖像質(zhì)量B.聲音質(zhì)量C.圖像質(zhì)量和聲音質(zhì)量D.數(shù)字質(zhì)量
A.注汽初始B.注汽見效C.蒸汽突破D.汽竄