本文件给出了近红外光谱法在液态、半固态或固态牛奶和奶制品分析中的使用指南。根据样品的形式和应用，可以应用不同的仪器设置，用于透射、漫反射或透射。

This document gives guidelines for the use of near infrared (NIR) spectrometry in the analysis of milk and milk products in liquid, semi-solid or solid form. Depending on the sample form and application, different instrument setups for transmittance, diffuse reflectance or transflectance can be applied.