而用聚类分析和主成分分析对各生等药材的含量进行分类，排除不合格样品，得到合格样品的共有模式，可用于识别未知的样品。
Classify the different quantitative samples with component and cluster analytical methods, excluding the inferior medicine, the common model can be used to identify of any Shengdeng medicine.
包括多种分析物的样品不应按一种分析物的数据不符合可接受标准而判为不合格。
Samples involving multiple analytes should not be rejected based on the data from one analyte failing the acceptance criteria.
若参照美国的瓶装水及饮料中每升所含氟化物标准，有21.6％的样品不合格。
Consulting the bottle-water and drinking standard of U. S. A, about 21.6% tea drinking products did not measure up.
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