cold cathode triode

例句：

1. 1. This device is used in the production of televisions and computers.
   这种设备用于生产电视机和计算机。
2. 2.The cold cathode triode was a revolutionary invention that changed the way we think about electronics.
   这种阴极三极管是一次革命性的发明，它改变了我们对电子学的看法。
3. 3. In the early days of television, this type of tube was used to produce images on screens.
   在电视的早期阶段，这种类型的管被用来在屏幕上产生图像。