Relation & connection 关系与联系
A connection or relation 联系或关系
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？
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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