narrow-band active repeater satellite

例句：

1. 1. This satellite is designed to provide high-quality video and audio transmission services.
   这个卫星被设计用来提供高质量的视频和音频传输服务。
2. 2. The satellite network is crucial for remote areas that lack access to traditional communication methods.
   卫星网络对于缺乏传统通信手段的偏远地区至关重要。
3. 3.The narrow-band active repeater satellite technology has greatly improved the efficiency of data transmission in remote areas.
   窄带主动中继卫星技术大大提高了远程地区数据传输的效率。