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以《中国震例》中所收集的距大同—阳高６．１ 级地震震中３００ ｋｍ 范围内的２７项信度较高的地下流体异常为样本，利用统计的方法对地下流体异常点的时空特征及异常过程与场源特征进行了综合研究，结果表明，这些异常点所展示的特征具有时间上的同步性和空间上的差异性。指出，地下流体的中期异常主要是受区域应力场的控制；短临异常的出现反映了震源应力场的变化；异常的空间分布，主要是区域应力场和震源应力场相互作用的结果。
Taking 27 abnormal samples of ground fluid with high reliability within the range of 300 km from the Datong-Yanggao M6.1 earthquake collected in the China Earthquake Case as samples, the statistical method was used to analyze the space-time Characteristics and abnormal process and field source characteristics of a comprehensive study showed that the characteristics of these abnormal points displayed with the time synchronization and spatial differences. It is pointed out that the mid-term anomaly of subsurface fluid is mainly controlled by the regional stress field. The occurrence of short-term anomalies reflects the change of source stress field. The spatial distribution of anomaly is mainly the result of the interaction between regional stress field and source stress field.