absorption spectrum
基礎(chǔ)科學(xué)

        A plot of the amountof absorption by a substance of radiation atdifferent wavelengths,usually of ultravio-let,visible,or infrared radiation. An ab-sorption spectrum can give information a-bout the identity or quantity of a sub-stance. It can also give inf......（本文共 480 字）     [閱讀本文] >>