A.2 Mbit/s B.10 Mbit/s C.100 Mbit/s D.1000 Mbit/s
A.材料色散、波導(dǎo)色散 B.模式色散 C.模式色散、材料色散 D.波導(dǎo)色散
A.NCP B.OSC C.OHP D.OA