该文章是中国地质大学地球物理与空间信息学院王家映教授地球物理资料非线性反演方法讲座的一部分：地球物理反演问题综述-This articles is China university of geosciences school of geophysics and space information jia-ying wang, a professor at the geophysical data nonlinear inversion method, part of the lecture：Introduction to Geophysical Inverse Problems