Despite their speed, the IDSN, ADSL and HDSL protocols do have limitations.尽管传输速度快, ISDN 、 ADSL和HDSL协议也都有局限性.With HDSL, they can do it in an hour.用HDSL,安装只要1小时.HDSL is the most established of the XDSL technologies.HDSL是X...
Helicopters with searchlights swept the park which was sealed off.直升飞机的探照灯来回扫射这个被封锁的公园。Blasts of cold air swept down from the mountains.强冷气流从山上疾掠而下。The tide of war swept back across their country.战争的浪潮回过头来席卷了全国。...