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1.The piezoelectric material can be used to detect vibrations in the environment.
这种压电材料可以用来检测环境中的振动。
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2. The piezoelectric transducer converts mechanical energy into electrical energy.
压电换能器将机械能转换为电能。
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3. The piezoelectric effect is a phenomenon whereby an applied electric field causes a change in the polarization of a material.
压电效应是指施加电场时，材料的极化状态发生变化的现象。