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产品质量等级的识别。是质量检验的一项基本功。
The identifying of products' quality degree is a basic skill for quality inspection.
youdao
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资料采用秩和检验和等级相关分析的统计学处理方法。
Data were analyzed by rank sum test and Spearman correlation test.
youdao
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资料采用秩和检验和等级相关分析的统计学处理方法。
Data were analyzed by rank sum test and Spearman correlation test.
youdao