piezoelectric resonator

例句：

1. 1.The piezoelectric resonator is used in medical devices to detect and measure heart rates.
   压电谐振器用于医疗设备中，用于检测和测量心率。
2. 2.This piezoelectric resonator can be used to create a high-frequency sound wave.
   这种压电谐振器可以用来产生高频声波。
3. 3. The piezoelectric resonator was developed by scientists to improve the accuracy of medical imaging devices.
   科学家开发了压电谐振器以提高医疗成像设备的准确性。