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Based on the massive epicontinental seas project earthquake actual material, the qualitative analysis when carried on the seabed soil layer investigation using the reflected wave, seabed sandy soil, clay, yuni soil and so on different type and different natural condition soil layer reflected wave compressional wave velocity change rule and influence factor. Based on the influence reflected wave dissemination characteristic rationale, in the contrast analysis different earth room the physical mechanics parameter test result and the reflected wave characteristic correspondence relations, has determined the influence different soil layer reflected wave characteristic primary factor. The research conclusion has the instruction significance regarding the explanation earthquake actual material.

基于大量浅海工程地震实测资料，定性分析了利用反射波进行海底土层调查时，海底砂土、粘土、淤泥土等不同类型及不同物性状态土层的反射波纵波速度的变化规律及影响因素。||Measure data actually according to the in great quantities neritic engineering earthquake, qualitative analysi