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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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