【单选题】数字用户接口又叫Z接口,具体分为V1、V2、V3、V4、V5接口。其中,()接口支持n*E1的接入网。
【单选题】数字用户接口又叫V接口,具体分为V1、V2、V3、V4、V5接口。其中,连接用户终端和数字远端模块的是()接口。
【判断题】The two speakers are not as close as before.
【单选题】'Lost City' Explored Using High-Speed Networks Undersea exploration is now as close as the nearest computer. 'Telepresence' (远程呈现) technology lets scientists -- and the public -- join expeditions with...
【单选题】'Lost City' Explored Using High-Speed Networks Undersea exploration is now as close as the nearest computer. 'Telepresence' (远程呈现) technology lets scientists -- and the public -- join expeditions with...
【单选题】电动车窗普及后,使得手动升降车窗的车辆发生贬值,这种贬值是()
【简答题】as close as anoyster
【单选题】数字用户接口又叫V接口,具体分为V1、V2、V3、V4、V5接口。其中()接口可以接多个2B+D的终端,支持ISDN接入。