program transmitter

例句：

1. 1. The program transmitter is responsible for transmitting signals from one location to another.
   程序发射机负责将信号从一个地点传输到另一个地点。
2. 2. The program transmitter was designed to improve communication between different countries.
   程序发射机被设计用来改善不同国家之间的通信。
3. 3. The program transmitter was used to broadcast news and information to the public.
   程序发射机被用来向公众广播新闻和信息。