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文章综述了几个地震之前短周期地磁变化参数的时间变化,认为利用它有可能探寻震前地下电导率的异常。为了捕捉该类地震前兆,需要在重点地震监测区建立较密的三分量磁力仪台网。
This paper summarizes the time variation of geomagnetic parameters in a short period before several earthquakes and finds it possible to explore the anomalies of conductivity before earthquakes. In order to capture this type of earthquake precursors, a dense three-component magnetometer network needs to be established in key earthquake monitoring areas.