【判断题】在时间上和数值上均作连续变化的电信号称为模拟信号;在时间上和数值上离散的信号叫做数字信号。
【单选题】Bob's team won the game, _____________ team lost. [ ]
【简答题】Our team lost. It was a good ______.
【判断题】在时间上和数值上均作连续变化的电信号称为数字信号。
【单选题】Our team lost. It was a good game, ______.
【单选题】Our team lost. It was a good game, __.
【简答题】I was ______ (disappoint) because our team lost.
【简答题】I was _____________ (disppoint) because our team lost.
【简答题】在时间上和数值上均作连续变化的电信号称为 模拟 信号;在时间上和数值上离散的信号叫做 信号。