短語詞組短語ultraviolet visible absorption spectra 紫外ultraviolet -absorption spectra 紫外光吸收光譜ultraviolet light absorption 紫外光吸收ultraviolet visible absorption spectrum 紫外ultraviolet ray absorption agent 紫外線吸收劑ultraviolet ray absorption spectral method 紫外吸收光譜法ultraviolet absorption difference spectrum 紫外差示吸收光譜ultraviolet absorption value 紫外吸收值 返回 ultraviolet absorption