Characteristic of space time magnitude in precursor field, mechanism of precursor anomaly, earthquake preparation, and relation between field and epicenter are analyzed.
分析了前兆场的时空强特征、前兆异常机理、孕震过程及场源关系。
The forming mechanism of biaxial strain structure accompanying preparation and occurrence of earthquakes, the source mechanism of dislocation when an earthquake occurred has been introduced.
介绍了地震孕育发生与双向应变结构相伴的形成机制及地震发生时位错空间的来源机制，并初步得到了地震实践较为普遍的证实。
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