Correctly specified use cases provide a direct link to help users and developers develop a common understanding of the user requirements for a system.

正确地指定用例能够提供一个直接的连接，来帮助用户和开发人员开发一个系统用户需求的共同理解。

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Then they would identify a link common to many different paths and launch a ZMW attack to bring it down.

接着他们会为许多不同路径确认一个共同连接并发起ZMW攻击以使之瘫痪。

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As of this writing, YQL doesn't allow you to link tables through common keys (a join), but only permits you to use the results of one query inside another (a subquery).

在撰写本文时，YQL还不允许您通过公用键(一个联接)来链接表，只允许您在一个查询(一个子查询)内使用另一个查询的结果。

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What connects them is their link to a common ancestor -- the family patriarch William Harrison Rand.

CNN: The story

If this ambitious project ever takes off, the question will be what common currency to link to.

ECONOMIST: The CFA franc and the euro

The health authorities are trying to establish a link between the victims, who are said to have had no serious illnesses nor common health issues.

BBC: Brazil health authorities investigate MRI scan deaths