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本文根据断裂力学,研究了体应变e的特征,导出了传播范围的近似公式;探讨了与应变有关的地震前兆的一般规律,以唐山地震电阻率前兆为实例检验了上述结果,并由电阻率前兆初步反演了相应的震源过程及某些震源参数。
Based on the fracture mechanics, the characteristics of the body strain e are studied, and the approximate formula of the propagation range is deduced. The general law of the earthquake-related precursors is discussed. The above results are verified by the example of the resistivity precursors of the Tangshan earthquake. The precursors initially retrieved the corresponding source processes and some source parameters.