反演的多解性是物探工作的致命弱点。在这一问题短时间内无法解决的前提下，综合其他学科的优势来进行反演解释，是一非常行之有效的方法。本文结合地下渗流力学、地下地质学等对瞬变电磁所采取的数据进行分析解释，阐明了地下水对岩石电阻率的影响规律，并着重分析了泥灰岩与灰岩在瞬变电磁反演断面上的可分性和可分条件。%The uncertainty of the inversion is the weekness of the geophysical prospecting work. It is very effective way to solve this problem via advantages of other disciplines to inverse interpretation in short time period. In this paper, combining with the underground seepage mechanics and underground geology to analyze TEM data. Then we clarified the influence rule of the resistivity of groundwater, and emphatically analyzed the separability and separable conditions of marl and limestone in transient electromagnetic inversion section .
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