压电元件由陶瓷制成，受力变形则会产生电力。
The piezoelectric elements contain ceramics that generate electricity on being deformed.
实验采用单光路临界角法，用四象限探测器探测输出信号，物面微位移采用压电陶瓷作为驱动元件。
The experiment came into use single light path critical angle method, output signals were detected by four-quadrant receiver, micro-displacement drive element were piezoelectric ceramics.
作者还根据自己的研究结果介绍了几种实用的和用作压电音叉换能元件的压电陶瓷材料的配方。
The authors also give some piezoelectric ceramic materials formulas for making the piezoelectric tuning fork according to their researching results.
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