单词：power amplifier
[化] 功率放大器
power amplifier的用法和样例：
例句
- 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。
- 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。
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