Ecker found there was a correlation between the severity of a person's autism and the amount of structural difference observed in their brain scans, compared with the control group.

艾克尔发现，与正常控制组相比，一个人自闭症症状的严重程度与大脑扫描中观察到的结构差异的多少存在相关性。

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Additionally, there is a need to group Web services into applications that require some form of correlation, but do not necessarily require transactional behavior.

此外，也存在把Web服务组合成需要某种形式的相关性但却不一定需要事务行为的应用程序这种需要。

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Unlike a typical "server" application, where the inbound message id is used to create the outbound correlation id, this application has a need to logically "group" multiple messages.

在典型的“服务器”应用程序中，会使用入站消息 ID 来创建入站相关 ID，而与此不同的是，此应用程序需要以逻辑方式对多个消息进行“分组”。

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Furthermore, explains Surowiecki, there was no correlation between the performance of the smartest person in the group and the performance of that group.

FORBES: The Case for Crowdsourcing Innovation and Social Change

Many years ago Mr. Dunbar famously noticed that there is a tight correlation between the size of a primate's brain and the size of the social group its species generally forms.

WSJ: The Social Network and the Dunbar Number | Mind & Matter

But, after studying a high-tech corporate-services provider, a French grocery group, a German broking house and an American mail-order company, the authors found little correlation between loyalty and profitability.

ECONOMIST: Not all loyal customers are profitable��or vice versa