【简答题】设系统带宽为W,则该系统间干扰时最高传码率为 ( ) 波特,频带利用率为 ( ) B/Hz。
【单选题】He died two months later at the age of _______ .
【单选题】Two months later, some more money 14 (was sent /were sent) to Sam with another note:
【单选题】They worked hard to finish the project on time. Two months later, they_