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前言电火花有射频辐射是早被发现了的。而电火花加工会干扰无线电和电视的接收又是众所周知的。但是,研究电火花加工过程中的射频辐射特征以及用以监测加工过程的尝试则是近年才开始的事。
Preface There is radio frequency radiation has long been discovered. It is also well-known that EDM can interfere with radio and television reception. However, research into the characteristics of radio frequency radiation during EDM and attempts to monitor the process have only recently begun.