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地震
强地震前重现的地下水异常及其预报意义
曹新来, 许向科, 孙佩卿, 冯向东
Recurrent groundwater anomaly before strong earthquakes and its significance in earthquake prediction
CAO Xin-lai, XU Xiang-ke, SUN Pei-qing
地震 . 2007, (3): 111 -116 .