satellite signal box

例句：

1. 1.The satellite signal box is essential for the operation of the communication system.
   卫星信号箱对于通信系统的运行至关重要。
2. 2. The satellite signal box was designed to provide high-quality audio and video signals.
   卫星信号箱被设计用来提供高质量的音频和视频信号。
3. 3.The satellite signal box was used to transmit data from the satellite to the ground station.
   卫星信号箱被用来将数据从卫星传输到地面站。