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1.Piezoelectric materials are used in sensors and transducers to convert mechanical energy into electrical energy.
压电材料用于传感器和转换器中，将机械能转换为电能。
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2. The piezoelectric effect is a property of certain materials that can generate an electric charge when subjected to stress.
压电效应是某些材料的固有属性，当受到应力时会产生电荷。
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3. Piezoelectric sensors are used in medical imaging systems to detect small movements of the human body.
压电传感器被用于医疗成像系统中，用于检测人体微小的运动。