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采用地球物理方法中的瞬变电磁法 (TEM)可以探测具有较明显电阻率差异的目标体 ,该文结合小浪底水库库区煤矿采空区的探测实例 ,介绍了瞬变电磁法的探测原理及方法 ,说明了该方法的有效性。
The target with obvious resistivity difference can be detected by the TEM method in the geophysical method. In this paper, the detection principle of the transient electromagnetic method and the detecting example of the coalmine goaf in the Xiaolangdi Reservoir are discussed. Method, illustrates the effectiveness of the method.