结果表明，断裂的原因是材质不合格，存在成分偏析，热处理工艺不符合规定以及硫元素含量偏高。
The preliminary research showed that the material used of the piston rod is unqualified , casting aliquation and much S element result in cracking on the edge of the casting aliquation.
计提资产减值的初衷是为了剔除企业资产中的不合格成分，更加真实的反映资产的实际价值。
The original intention of provision for impairment of assets is to remove the bad components in the assets of enterprise, which reflects the real value of assets more realistic.
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.
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