Subject input data will now be validated according to the rules set above.

现在根据上面设定的规则检验主题输入数据。

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This subject comes from a military development project - Digital VHF FH Radio Set, and it is mainly used for the data communication between navy vessels.

本课题来自军事开发项目——数字化超短波跳频电台，主要用于海军舰艇之间的数据通信。

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Some successful algorithms have been discovered in this field. The main subject is to find interesting association or correlation relationships among a large set of data items.

关联规则在数据挖掘中是一个重要的研究领域，已有一些较成功的算法，其主要任务是发现大量数据中项集之间的关联或相关联系。

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