• The tremendous heat causes rapid expansion of a spherical cavity, which in turn generates seismic waves.

    巨大热量造成球形腔体剧烈膨胀产生各种震动

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  • And then a theory on the penetrating depth, the number of impact and the relation between penetrating resistance and depth was obtained by means of dynamic spherical cavity expansion.

    应用动态扩张理论,建立冲击入方程、冲击次数表达式贯入阻力贯入深度关系

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  • And then a theory on the penetrating depth, the number of impact and the relation between penetrating resistance and depth was obtained by means of dynamic spherical cavity expansion.

    应用动态扩张理论,建立冲击入方程、冲击次数表达式贯入阻力贯入深度关系

    youdao

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