（一）在物探异常的转换及解释过程中，经常使用一定的数学物理模型。所用的模型有两类，一类是模拟物探异常产生的过程；另一类是模拟物探异常在空间的分布情况。当引起物探异常的机制还不清楚时，一般用第一类模型，以便有效地对异常作出定性解释。当 (A) In the process of conversion and interpretation of geophysical anomalies, certain mathematical and physical models are often used. There are two types of models used, one is to simulate the geophysical anomaly generation process and the other is to simulate the geophysical anomaly distribution in space. When the mechanism causing geophysical anomalies is unclear, a first type of model is generally used in order to effectively interpret the anomalies qualitatively. when