The methods of similarity, cluster analysis and principal component analysis were used to process the data from which was obtained gas chromatographic fingerprint.

运用指纹图谱处理软件对指纹图谱数据进行相似度分析、聚类分析及主成分分析。

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In this paper, the fingerprint characteristic features that can be used for identification of Wuji Baifeng Pills were obtained by gas chromatographic analysis.

对广州陈李济药厂生产的乌鸡白凤丸石油醚提取液进行了气相色谱分析，获得了其气相色谱指纹特征。

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