This article attempts to use grey correlation analysis method to identify the main factors affecting total hardness, and to analyze its genetic mechanisms.
本文试用灰色关联分析方法，找出影响总硬度的主要因素，分析成因机理。
A new correlation analysis method-identical-discrepant-contrary grey correlation analysis method was put forward using mathematical statistics, set pair analysis and grey system theory.
运用数理统计、集对分析和灰色系统理论，提出了一种新的相关分析方法——同异反灰色相关分析法。
The analysis and calculation were also made by the correlation method of Grey system theory.
并运用灰色系统理论的关联度分析方法进行了分析和计算。
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