In this dissertation, the problems of the similarity measure of mechanical products system are researched based on characteristics.
本课题对基于特征的机械产品系统的相似度量的相关问题进行了研究和探讨。
The research improves the objectivity and accuracy of the classification and decision-making of mechanical products system; it also enhances the automatization level of classification.
本课题的研究有利于提高机械产品系统分类与决策的客观性与准确性，提高分类的自动化水平。
The company was established in 1997, is the groove in the earlier mechanical piping system of professional products manufacturers.
本公司成立于1997年，是国内较早的从事沟槽机械配管系统产品生产的专业厂家。
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