体波是由震源振动直接产生在地球内部传播的地震波。体波分为纵波(P)和横波(S)。地震波在地下的反射和折射蕴涵着丰富的信息。
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体波是最快的地震波,可贯穿地球。
Body waves, the fastest seismic waves, move through the earth.
地球外核处于高温、高压、高密度的等离子体状态,可以支持多种磁流体波的激发和传播。
The outer core of the earth, being in the plasma state with high temperature, high pressure, high density, and immersed in a strong toroidal magnetic field, can support varieties of plasma waves.
有两种主要的地震波:体波和面波。
There are two chief kinds of seismic waves: body waves and surface waves.
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