graded time-lag relay

例句：

1. 1. The graded time-lag relay is an essential component in the communication system.
   分级时间延迟中继器是通信系统中不可或缺的组成部分。
2. 2. In this project, we used a graded time-lag relay to improve signal quality.
   在这个项目中，我们使用了分级时间延迟中继器来提高信号质量。
3. 3. The graded time-lag relay helps to reduce the latency and ensure reliable communication.
   分级时间延迟中继器有助于减少延迟并确保可靠的通信。