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1.Piezoelectric materials are used in many applications, such as sensors and transducers.
压电材料在许多应用中被使用，如传感器和转换器。
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2. The piezoelectric effect is a fundamental property of certain crystals.
压电效应是某些晶体的基本属性。
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3.The piezoelectric material has been used to create micro-actuators for robotics applications.
这种压电材料已被用于制造机器人应用中的微执行器。