PZT基压电陶瓷材料具有性能稳定、机电性能优异、容易制造、价格低廉等优点，已被广泛应用于电子元器件中。
PZT-based piezoceramics have been extensively used in electronic components due to their stable function, the excellent electro-mechanical properties, the available production and the low cost.
本文简述可靠性筛选的方法、项目、应力和时间的确定，给出了压电陀螺用元器件筛选的实例。
The determination of the way, items, stress and time for the reliability screening is reviewed in brief. Examples of the screening of components and devices used for piezoelectric gyroes are given.
分析压电式超声波换能器的等效电路，并由等效电路输入阻抗的导纳圆图确定了换能器的元器件参数以及谐振频率、机械品质因数和工作带宽等特征参量。
The device parameter as well as resonance frequency, mechanical quality factor and work band width were determined by the equivalent circuit input impedance admittance circle diagram.
分析压电式超声波换能器的等效电路，并由等效电路输入阻抗的导纳圆图确定了换能器的元器件参数以及谐振频率、机械品质因数和工作带宽等特征参量。
The device parameter as well as resonance frequency, mechanical quality factor and work band width were determined by the equivalent circuit input impedance admittance circle diagram.
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