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1.The piezoelectric material is used in sensors to detect vibrations.
这种压电材料被用于传感器中，用来检测振动。
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2.The piezoelectric effect can be used to measure the strain in a material.
压电效应可以用来测量材料的应变。
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3. The piezoelectric transducer converts mechanical energy into electrical energy.
压电换能器将机械能转化为电能。