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我们曾在中国东北部几个不同地点以折射法确定了基底的深度与界面速度.除达到区域性目的外,我们也沿几条折射剖面尽力设法记录来自较基底更大深度井在较长的距离上可以追踪的反射波.在这篇文章里我们将对在两个不同地区四条折射剖面的时距曲线做出简短的整理分析.在第二个地区还布置了一条反射剖面以便专门研究深部的构造.
We have determined the depth of the substrate and the interfacial velocities by refraction at several different locations in northeastern China.We also tried our best to track the depth and interface velocities along the longer In this article, we will make a brief analysis of the time-history curve of the four refraction profiles in two different regions, and in the second region we will also arrange a reflection profile to focus on the deep The structure.