The results show that the ascent-descent-ascent variations of gravity before earthquake are the obvious reflection of medium-short-term anomaly.
结果表明，震前出现的重力上升下降上升变化是较明显的中短期异常反映；
The duration time of the seismomagnetic anomaly distinguished in above methods is no more than 9 months, which is the medium - short term anomaly.
震例分析表明，用上述方法提取的震磁中期异常时间一般不超过9 个月。
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