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用数值拟合的方法对１９６６年以来７６个ＭＬ≥５．５地震序列的衰减特性进行了较详细的研究，提出从ｈ值的逐日时间扫描和逐日累积时间扫描两个方面去把握地震序列的衰减过程并将其用于强余震（含双震）的预测和震型的快速判定。
The attenuation characteristics of 76 ML≥5.5 earthquakes sequences since 1966 have been studied numerically by using the numerical fitting method. It is proposed that the seismological sequences should be grasped from the time-of-day scan of h value and the time-accumulated day by day The decay process is used to predict strong aftershocks (including double shocks) and to quickly determine the type of shocks.