通过研制标样和标准化样品，解决了没有适宜标样的困难。
The developed standard sample and standardization sample solve the problem of no suitable specimen.
对标准化后的数据计算各样品的主成分得分，根据得分分布图可快速分类样品。
The classification of these samples was performed by applying PCA to the standardized data and plotting the graph of their scores.
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