方法利用近红外漫反射光谱法，采用聚类分析方法进行定性鉴别。
Methods Near-infrared diffuse reflectance spectrometry (NIRDRS) combined with clustering analysis was used. Results the dendrogram of clustering analysis showed that there exists obvious difference.
方法：近红外漫反射光谱法结合OPUS软件，建立定性鉴别模型。
Method: a qualitative model was established by NIR DRS and OPUS software.
表明现有的漫反射光谱法可定性监测pws皮肤氧含量的变化趋势。
The current diffuse reflectance spectroscopy can be used to monitor oxygen content in PWS skin qualitatively and observe the change trend.
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