At last, taking one earthquake as an example, this paper gives three dimension patterns of radius of the field with epicenter distance and azimuth as well as frequency.
最后，以一次地震为例，给出了孔径随震中距、方位角、频率变化的三维图象。
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。
应用推荐