four-frequency diplex

例句：

1. 1. The system employs four-frequency diplex to enhance communication efficiency.
   该系统采用四频分集技术来提高通信效率。
2. 2. In the context of wireless communication, four-frequency diplex is a crucial technology for achieving high data rates.
   在无线通信领域，四频分集是实现高数据率的关键技术。
3. 3.The research on four-frequency diplex has received increasing attention in recent years, with many promising applications emerging.
   近年来，关于四频分集的研究受到了越来越多的关注，许多有前途的应用已经出现。