frequency controller

例句：

1. 1. The new frequencycontroller has greatly improved the accuracy of our radio signal.
   新的频率控制器大大提高了我们无线电信号的准确性。
2. 2. In this project, we need to control the frequency of the laser beam precisely.
   在这个项目中，我们需要精确控制激光束的频率。
3. 3. The frequency controller was responsible for monitoring the system's performance and adjusting settings as needed.
   频率控制器负责监控系统的性能，并根据需要调整设置。