短語詞組短語ultraviolet absorbance spectrum 紫外吸收光譜ultraviolet uv spectrum 紫外光譜derivative ultraviolet absorption spectrum 導(dǎo)數(shù)紫外吸收光譜ultraviolet absorption spectrum 紫外吸收光譜ultraviolet transmission spectrum 紫外透射光譜ultraviolet photoemission spectrum 紫外光電子能譜ultraviolet absorption spectrum uvas 紫外吸收光譜ultraviolet ray spectrum 紫外線光譜Ultraviolet visual spectrum 紫外可見光譜 返回 ultraviolet spectrum