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本文简要介绍了几种物探新技术对采空洞穴的异常机理．并结合实例，对这些方法在山地采空洞穴探查中的应用效果进行了探讨．
This article briefly introduces the abnormal mechanism of several new geophysical exploration techniques on goaf. Combined with examples, the application of these methods in the exploration of mined-out caves in mountainous area is discussed.