time signal造句

1、I often set my watch by the time signal in the telephone.
我常常按电话里的报时信号对表。

2、You can also activate hourly time signal that indicates each full hour.
您还可以激活每小时时间信号，表明每个整整一个小时。

3、"Modulation domain" is a plane domain which is consisted of frequency and time signal axes.
“调制域”是由信号的频率和时间两个轴构成的平面域。