airwave

1. First, there is broadcast television, which reaches the masses through broad-based airwave transmission of television signals.
   第二类为非广播电视，使用受控的发射技术来满足个人以及某些特殊利益群体的需要。
2. There is no evidence that Airwave users suffer illness or any ill effects as a result of using their radios.
   还没有证据显示空中电波公司的客户由于使用了他们的无线电设备而患病和出现不良反应。
3. On deployment of the world's external airwave communication resources Television
   谈世界对外电视传播资源配置

noun

1. medium for radio and television broadcasting
   1. the program was on the air from 9 til midnight
   2. the president used the airwaves to take his message to the people

   Synonym:    air