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1.Piezoelectric materials can generate electricity when they are compressed or stretched.
压电材料在被压缩或拉伸时会产生电流。
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2.The piezoelectric sensor is used to detect small changes in temperature and pressure.
压电传感器用于检测温度和压力的微小变化。
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3.In the field of acoustics, piezoelectric materials are used to create loudspeakers and microphones.
在声学领域，压电材料被用来制造扬声器和麦克风。