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本文在三维壳幔结构中两点射线追踪分步搜索算法的基础上，在物探中心地震方法研究室ＳＵＮ工作站上研究开发出了可应用于非纵观测系统深地震测深资料人机对话三维分析处理的方法及软件．对研究区域的三角形刻分减少了人机对话过程中的工作量及人为干预，并用该方法以反演得到的华北块状模型作为初始模型．对该模型的剩余ＰｍＰ波残差进行了人机对话拟合．
Based on the two-point ray-tracing step-by-step search algorithm in three-dimensional crust-mantle structure, this paper studied and developed a three-dimensional Analysis and processing methods and software. Triangulation of the study area reduces the workload and human intervention in the process of human-computer interaction, and uses this method to obtain the inverted North China block model as the initial model. The remaining PmP wave residuals of this model were fitted by man-machine dialogue.