A.下行頻率 B.升級軟件文件名 C.服務(wù)等級配置 D.DHCP地址
A.監(jiān)聽、監(jiān)看、監(jiān)測情況 B.監(jiān)聽情況 C.監(jiān)看情況 D.監(jiān)測情況
A.18% B.13% C.15% D.11.5%