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一、场—源问题 讨论、分析和判断地震前兆异常时,经常遇到这样的问题:这种前兆是来自震源还是来自源外?如果来自源外是否有预报价值?我觉得这里应特别注意实验室和地壳内加压方式的本质区别。如果把震源区比作“岩样”,把源外区比作“压机”,那么地壳内“岩样”与“压机”的强度,刚度等物理参数远比实验室接近得多,加力的方式和破坏
First, the field - source problems Discussion, analysis and judgment of earthquake precursors anomalies, often encounter such a question: This precursor is from the source or from the source? If there is no source value from the source? I think here should pay special attention to the experiment Room and the crust of the pressure difference between the essential way. If the source area is likened to “rock sample” and the source outer area is compared to “press machine,” the physical parameters such as strength and stiffness of “rock sample” and “press” in the crust are much closer than those in the laboratory. Way of force and destruction