最后，将软件工具分成八类进行简要的评述。

Finally, it gives comments on the tools divided into eight classes.

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在关系数据库再组织中，保持不同信息的八类转换。

Eight levels of transformation preserving different information in restructuring the relational database.

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埃森哲数字家庭市场份额研究鉴定的数字时代八类独特的消费者划分。

The Accenture digital Household Segmentation Study identified eight distinct consumer segments in the digital era.

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