germanium triode

例句：

1. 1. The germanium triode is used in electronic circuits to amplify signals.
   锗三极管用于电子电路中放大信号。
2. 2. In the early days of television, germanium triodes were the standard amplifiers.
   在电视早期，锗三极管是标准放大器。
3. 3. The germanium triode was developed by scientists at Bell Labs in the 1940s.
   锗三极管是由贝尔实验室的科学家在20世纪40年代开发的。