The connection between skyscrapers and economic crisis is too close to be interpreted simply as coincidence. What on earth are the reasons for their hand-in-hand relation?

摩天大楼与经济危机的关联如此密切，很难用巧合来理解，那么究竟是什么原因让经济危机总是与摩天大楼如影随形呢？

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Its main research object is the transaction database, its essential target is to discover whether there is certain connection relation between items in transaction database.

关联规则的主要研究对象是交易数据库，其主要目标就是发现交易数据库中交易项目之间是否存在某些关联关系。

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The rules of geodatabase can be classified into attribute field rules, relation rules, and connection rules.

地理数据库的规则具体可分为属性域规则、关系规则和连接规则三大类。

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This raises a question. Whether the relation between contemporary political science and liberalism is merely accidental or whether there is some intrinsic some necessary connection between them.

这导出一个问题，当代政治科学,与自由主义的关系仅是偶然,或之间，有些本质的,一些必然的,连结介于两者之间。

耶鲁公开课 - 政治哲学导论课程节选