短語(yǔ)詞組短語(yǔ)near infrared diffuse reflectance spectra 近紅外漫反射光譜法uv -vis diffuse reflectance spectra 紫外near -infrared diffuse reflectance spectra 近紅外漫反射光譜diffuse reflectance ultraviolet visible spectra 漫反射紫外可見(jiàn)光譜 返回 diffuse reflectance spectra