modulator panel

例句：

1. 1. The modulator panel is responsible for adjusting the frequency of the signal.
   调制板负责调整信号的频率。
2. 2. The engineer needs to check the modulator panel before starting the project.
   工程师在开始项目之前需要检查调制板。
3. 3. The modulator panel is a critical component in the communication system.
   调制板是通信系统中的关键组件。