短語詞組短語infrared spectrum analysis methods 紅外光譜分析等手段infrared spectrum quantitative analysis 紅外光譜定量分析infrared diffuse reflectance spectrum analysis 漫反射紅外光譜分析near infrared spectrum analysis technique 近紅外光譜分析技術(shù)fourier transform infrared spectrum analysis 傅里葉變換紅外光譜分析infrared photographic equipment spectrum analysis 紅外光譜分析 返回 infrared spectrum analysis