【简答题】八进制数字信号在2分钟内共传送72000个码元,则信息速率为_ _ _。
【简答题】The British royal family is about to be slimmed down. The Queen plans to reduce the number of real royals, it was recently announced. However, there seems little sign of the monarchy (君主) disappearing...
【多选题】旅游业对社会经济的积极影响主要有( )。
【简答题】The ball sits down in the __.(r__)
【多选题】【多选】旅游对经济的积极影响包括( )。