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Noun:
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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"
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上文內部獨家構思,受作品權保護好,侵權行為必究
海詞詞典下載,二十七年知名品牌