# 吸收

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(ab sorp’ sh∂n or ab zorp’ sh∂n)

1.地震波在介质中传播时一部分能量转换为热的过程。地震波吸收的数量级通常是0.25dB/cycle，甚至可达到0.5dB/cycle，也就是每周0.25或0.5分贝。

2.放射能变为其他形式能量的过程。

3.一种物质的分子或离子进入某种固体或液体内部的过程。

Absorption terminology. Sometimes this terminology is used for attenuation because of factors other than absorption. E = energy, ${\displaystyle \Delta E}$ = energy lost in one cycle, ${\displaystyle \lambda }$ = wavelength, f = frequency, x = distance, t = time, ${\displaystyle {\frac {A}{A_{0}}}={\frac {\text{amplitude}}{\text{initial amplitude}}},{\frac {A_{1}}{A_{2}}}={\frac {\text{amplitude}}{\text{amplitude one cycle later}}}}$.[1]