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在我国的地震工作方针指引下,在无产阶级文化大革命中涌现出来的运用土地电予测予报地震的方法,几年来在实践中证明是简单易行的一种测报手段。在松潘、平武间7.2级地震中,采用土地电连续自动记录,较好地记录了几次大震临震异常的全过程,根据临震异常的特点,采用周期性组合法和脉冲二倍法进行计算,对8月16日7.2级和8月22日6.7级的发震时间作了较准确的予报。现将有关情况介绍如下:
Guided by the guidelines for the earthquake work in our country, the method of using earthquakes to report earthquakes that emerged during the Great Proletarian Cultural Revolution has proved to be a simple and convenient means of measuring and reporting in practice in recent years. In Songpan and Pingwu-M7.2 Earthquake, continuous and automatic recording of land was used to well record the whole process of a few large earthquakes anomalies, according to the characteristics of the anomalous temporary anomalies, the periodic combination method and twice the pulse Method of calculation, on August 16, 7.2 and August 22, 6.7 earthquake occurred more accurately to be reported. The relevant information is as follows: