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对1971年到1976年全国各地16个地应力台站观测到的18个强震的数据资料处理后,一一绘出电感日平均值的日速率曲线,分析对比发现,强震有共同的前兆特征,特征的主要标志是趋势性和临震性电感日均值的日速率异常,它们是动态地应力场孕育强震过程中预示强震即将发生的一种异常信息,凡出现趋势性、临震性电感日均值的日速率异常的地区,均有强震发生。电感日均值的日速率方法是分析观测孕育强震、预报强震发生的一种有效方法。
After processing the data of 18 strong earthquakes observed by 16 stress stations all over the country from 1971 to 1976, the daily rate curves of daily average inductance are plotted. It is found by comparison that strong precursors have common precursors The main signs of the characteristics and characteristics are the daily rate anomalies of the daily mean values of the trend and the epithermal inductances. These are anomalous information that indicates the imminent occurrence of strong earthquakes in the course of strong earthquakes in dynamic stress fields. Strong earthquakes occurred in the areas where the daily average rate of the daily average of the inductances was abnormal. The daily rate method of inductive daily average is an effective method to analyze the occurrence of strong earthquakes and forecast the occurrence of strong earthquakes.