relay decoder

例句：

1. 1. The relay decoder is used to convert the digital signals into analog signals.
   中继解码器用于将数字信号转换为模拟信号。
2. 2. The relay decoder is an essential component of a communication system.
   中继解码器是通信系统的一个必要组成部分。
3. 3. The relay decoder was designed to improve the signal quality and reduce the latency.
   中继解码器被设计用来提高信号质量并减少延迟。