power amplifier

• 功率放大器

power amplifier的用法和样例：

例句

1. The power of the modulated carrier wave is increased by the RF power amplifier.
   射频功率放大器增加了调变载波的功率。
2. Actuation of one clutch provides positive torque to the final drive, the capstan acting as the main power amplifier.
   一个离合器的作用是给最后一级传动机构，即作为主功率放大器的绞盘，提供正向力矩。