electron wave tube

例句：

1. 1.The electron wave tube is a crucial component of the radar system.
   电子管是雷达系统的关键部件。
2. 2. The electron wave tube was developed by scientists to improve communication.
   电子管是由科学家开发出来的，用来改进通信的。
3. 3.The electron wave tube has been used in many different applications, including television and radio broadcasting.
   电子管被用于许多不同的应用中，包括电视和广播。