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利用ＥＳＭＩ电磁干扰接收机和由多频天线与ＳＲ－５０Ｃ磁带机组成的记录系统，在不同距离观测到矿山爆破中的电磁辐射信号，不仅记录到与地震波同时出现的电磁辐射，还记录到大量震后电磁辐射信号．讨论了所得结果的性质及在地震预报中的意义．
Using the ESMI electromagnetic interference receiver and the recording system composed of multi-frequency antenna and SR-50C tape drive, electromagnetic radiation signals in mine blasting are observed at different distances, not only the electromagnetic radiation that appears with the seismic waves but also a large number of records Post-earthquake electromagnetic radiation signal. The properties of the obtained results and their significance in earthquake prediction are discussed.