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本文扼要介绍了近年来压电检测技术在国外的发展，及其在机械制造领域里 的应用；着重介绍了压电传感器，压电动态切削测力仪的研制和试验。
This article briefly introduces the piezoelectric detection technology in foreign countries in recent years, the development, and its application in the field of mechanical manufacturing; focuses on the piezoelectric sensor, piezoelectric dynamic cutting dynamometer research and test.