中国华北和南北地震带北段8级大震发生的时间规律
TEMPORAL REGULARITY OF OVER 8 STRONG EARTHQUAKES IN NORTH CHINA AND THE NORTHERNPART OF NORTH-SOUTH SEISMIC BELT
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摘要: 用以25年为周期的三性分布拟合华北和南北地震带北段8级大震发生的时间分布,发现拟合较好,因之在今后预测8级大震时可作为参考。三性分布是指周期性、倍周期性和每个周期的黄金分割性组成的时间分布。Abstract: Good results have been got from fitting temporal distribution of over 8 earthquakes in North China and the northern segment of North-South Seismic Belt with three kind distributions that have 25 years' cycle.The three kind distributions are periodicity distribution,multiplier periodicity distribution and the golden section distribution.