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利用本区丰富的地质、人工地震探测资料，对３ｋｍ深度层析成象成果进行分析对比，结果表明：①３ｋｍ深度速度值与人工地震探测所获地震波速值吻合较好；②３ｋｍ深度速度分布与该深度处的岩石介质分市有较好的对应关系，高速区对应地层主要为太古界－下无古界变质岩和地槽区的古生界浅变质岩，低速区对应地层主要为中生界火山、碎屑岩，燕山或花岗岩体和盖层性质的中元古－古生界沉积岩；③层析成象结果可为划分深度不同的岩石单元，进而分析一定深度的古地貌以及较大的构造单元提供依据。
The results of the 3km depth tomography are compared and analyzed by using the abundant geological and artificial seismic exploration data in this area. The results show that: ① The 3km depth velocity value is in good agreement with the seismic velocity value obtained by the artificial seismic exploration; ② The 3km depth velocity distribution and the The rock media in depth has a good correspondence with each other. The corresponding strata in the high-speed zone are mainly Paleo-Lower Paleozoic metamorphic rocks and Paleozoic metamorphic rocks in the Trough area, and the corresponding strata in the low-velocity area are mainly Mesozoic Volcanic, clastic rock, Yanshan or granite body and caprock; ③ tomographic imaging results can be divided into rock units with different depths, and then analyze the palaeogeomorphology of a certain depth and the larger Tectonic units provide the basis.