signal amplifier的用法和样例：
例句
用作名词 (n.)
- Finally I got the spare piezoelectric transducers and finished some simple high-impedance signal amplifiers.
最后我得到了备件压电传感器和完成一些简单的高阻抗信号放大器。 - TWT plays an important role as high power and wide band microwave generator and microwave amplifier.
行波管作为高功率宽频带的微波源和重要的微波信号放大器在相关行业中具有不可替代的地位。
