tuned plate circuit

例句：

1. 1. The device is designed to tune the frequency of radio signals.
   该设备旨在调谐无线电信号的频率。
2. 2. The engineer used a tuned plate circuit to improve the signal quality.
   工程师使用了一个调谐板电路来提高信号质量。
3. 3. The tuning plate circuit was crucial for the successful operation of the device.
   调谐板电路对于设备的成功运行至关重要。