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本文就近红外光谱仪器的发展概况以及各类近红外光谱仪器的工作原理、特点作了评述，指出了近红外光谱技术作为定性和定量分析工具时应注意的问题。
In this paper, the development of near infrared spectroscopy and the working principle and characteristics of various near infrared spectrometers are reviewed. Some problems that should be paid attention to when using near infrared spectroscopy as a tool for qualitative and quantitative analysis are pointed out.