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1.The piezoelectric material has a high piezoelectric coupling constant, which makes it suitable for applications requiring high sensitivity.
这种压电材料具有很高的压电耦合常数，使其适用于需要高灵敏度的应用。
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2. The piezoelectric device is used to convert mechanical energy into electrical energy with a high efficiency andlow power consumption.
压电设备用于将机械能高效、低功耗地转换为电能。
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3.The piezoelectric coupling constant of the material can be adjusted by changing the composition of the crystals, which provides flexibility in designing sensors.
材料的压电耦合常数可以通过改变晶体的组成来调节，这为设计传感器提供了灵活性。