资料来源 : pyDict

吸收比

资料来源 : WordNet®

absorptance
     n : a measure of the rate of decrease in the intensity of
         electromagnetic radiation (as light) as it passes through
         a given substance; the fraction of incident radiant
         energy absorbed per unit mass or thickness of an
         absorber; "absorptance equals 1 minus transmittance"
         [syn: {absorption coefficient}, {coefficient of
         absorption}]