单词 | absorption coefficient |
释义 | absorption coefficient [ǝb`sȯrp·shǝn ´kō·ǝ`fish·ǝnt] ACOUSTICS The ratio of the sound energy absorbed by a surface of a medium or material to the sound energy incident on the surface. PHYSICS If a flux through a material decreases with distance x in proportion to e-ax, then a is called the absorption coefficient. |
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