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本文给出了利用空间深地震测深反射破资料重建地壳三维构造和速度分布的方法．适用于任意分层并且每层可由若干断块组成的地壳模型．通过采用适当的反演方法获得地完界面的三维构造，并在此结果基础之上，进一步将剩余走时残差归因于地壳速度的不均匀性，采用模型不分块的反演方法．重建地完三维速度分布，数值模拟的结果表明算法是有效的．
This paper presents a method to reconstruct the crustal 3D structure and velocity distribution by using the deep seismic sounding data. It is suitable for crustal models that can be stratified at will and consist of several faulted blocks per layer. Based on the above results, the residual residual traveltime is attributed to the inhomogeneity of the crustal velocity. The model-independent inversion method is adopted. After reconstruction, the 3D velocity distribution is completed. The numerical simulation results show that the algorithm is effective.