说明地磁异常变化是一种有希望的地震前兆现象。
It indicated that the geomagnetic anomaly is a promising phenomenon in the studies of earthquake precursors.
研究地震活动图象而引入的地壳屈曲，从地壳为一层状结构物的基本事实出发，对很多地震前兆现象可做出自己的解释。
Being introduced to investigate seismic pattern, crustal buckling can explain many earthquake precursor phenomena according to the layered structure of crust.
地震水化前兆是发生在地壳内诸多地球化学过程并通过化学指标反映的现象之一。
The earthquake precursor of hydrogeochemistry is one of the phenomena that the chemical processes occur in the crust and can be indicated by the chemical indexes.
总结了地震短临前兆时空演化特征和同步耦合现象。
The spatiotemporal evolution characteristics and synchronous-coupling phenomena of short-term and imminent precursors are summarized.
这种现象，为观测地震波特性的前兆异常给予了启示。
Such a phenomenon has enlightened us on the precursory anomaly of the observed wave characteristics.
地震前兆观测异常信号识别是前兆研究的基础，但是前兆现象的识别始终存有较大争议。
Recognizing earthquake precursor signals is the basic of precursor research. But there are some disputes still.
人们把观察到的—些与地震发生有密切联系的异常现象称为地震前兆。
The people observe - to occur with the earthquake have the close contacting abnormal phenomenon to be called the earthquake omen.
人们把观察到的—些与地震发生有密切联系的异常现象称为地震前兆。
The people observe - to occur with the earthquake have the close contacting abnormal phenomenon to be called the earthquake omen.
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