relays

例句:

• This system continuously monitors levels of radiation and relays the information to a central computer.
  这个系统不间断地监控辐射水平，并将信息传送到中央计算机。
  来自柯林斯例句
• New relays of troops were sent to the battle front.
  新补充的部队已送往前线.
  
• His questioners worked on him in relays.
  审讯人员轮流对他进行审讯.
  
• Local relays of Russian networks are widely available.
  来自BBC
• We varied the resistance by connecting relays across resistive load.
  来自BBC
• They galloped south along the post, pausing only for relays.
  来自H. Allen