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.
微破裂集结时局部密度突然加大，有助于解释部分前兆记录突跳现象。
The local density of microcracks increasing suddenly may be helpful to interpret the phenomenon that part precursor records appear catastrophic jump.
由于高温天气引起的脱水现象也很可能是中暑之类的严重问题的前兆。
Dehydration is mainly caused by warm weather in which it can be an early sign of something more serious such as heat stroke.
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