piezoelectric calibrator

例句：

1. 1. The piezoelectric calibrator was used to measure the displacement of the micro-mechanical system.
   使用压电校准器测量微机电系统的位置。
2. 2. The piezoelectric calibrator was used to ensure that the measurement results were accurate.
   使用压电校准器确保测量结果准确无误。
3. 3. The piezoelectric calibrator was used to calibrate the sensors in the robotic arm.
   使用压电校准器校准机器人臂中的传感器。