Such a phenomenon has enlightened us on the precursory anomaly of the observed wave characteristics.
这种现象，为观测地震波特性的前兆异常给予了启示。
The trace monitoring and comparative analysis of precursory anomaly is of great significance in seismic regime prediction.
前兆异常的跟踪监测与对比分析，在震情预测中有重要作用。
It is helpful for judging the emphatic area of medium term earthquake risk by synthetical analysis of seismic activity and the features of precursory anomaly evolution in group.
综合分析中小地震活动和前兆异常群体演化特征，对于判定中期地震危险区是十分重要的。
Based on the mechanism to induce groundwater anomaly, the interferences of precursory anomaly and its recognition are discussed, and the view of "rain and groundwater interference" is questioned.
按照地下水诱发异常的机理，讨论了诱发前兆异常的干扰与识别问题，并对“降水、地下水干扰”观点提出质疑。
The short-term precursory anomaly is the "positive acceleration" phenomenon of water level.
它的短期震兆异常是水位变化的“正向加速”现象。
According to deduction from the model, the result shows that theoretical precursory field is basically consistent with practical data of groundwater anomaly.
按照这一模型进行的地下水理论前兆场正演的结果，与大地震前实际观测的地下水异常的典型图象，基本上是一致的。
By processing data of precursory earthquakes, we try to find the useful anomaly information from the data of strain and total geomagnetism intensity.
通过对区域前兆原始观测数据的处理，突出了这次地震前的应变和地磁总强度短临前兆异常信息。
These characteristics are related to the mechanism resulting in precursory anomaly.
这些特征与引起异常的机理有关。
These characteristics are related to the mechanism resulting in precursory anomaly.
这些特征与引起异常的机理有关。
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