【简答题】翻译下列英文,并说明其含义。 ( 1 ) This offer is valid only for seven day. ( 2 ) For the market is firm with an upward tendency, we advise you to accept our prices without delay. ( 3 ) We are pleased to quote you f...
【判断题】3 Consider an application that transmits data at a steady rate, and once this application starts, it will stay on for a relatively long period of time. According to the characteristic, a packet-switch...