A.DCC-R再生段192kbit/s B.DCC-M復(fù)用段384kbit/s C.DCC-R復(fù)用段64kbit/s D.DCC-M再生段128kbit/s
A.64kbit/s B.128kbit/s C.24kbit/s D.32Mbit/s
A.1 B.2 C.3 D.4