Methods : the similarities of honeysuckle chromatography fingerprints were calculated by the methods of correlation coefficients and angle cosine with or without retention time correction and signal standardization 方法:對金銀花藥材指紋圖譜進行保留時間和峰面積校正,分別使用相關(guān)系數(shù)法和夾角余弦法計算處理前后圖譜間相似度。