dual mode travelling wave tube

例句：

1. 1. The dual-mode travelling wave tube is a critical component in the radar system.
   双模式行波管是雷达系统的关键组件。
2. 2.The dual-mode travelling wave tube is used to transmit and receive signals at different frequencies.
   双模式行波管用于在不同频率下发送和接收信号。
3. 3. The dual-mode travelling wave tube has been widely used in various applications due to its high efficiency and reliability.
   由于其高效率和可靠性，双模式行波管在各种应用中得到了广泛应用。