You might want to find existing use cases for similar types of systems or services.

对于系统或服务类型相似的，您或许希望发现现有的使用实例。

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These mappings are used to identify the subset of the existing use-case model that is affected by the project.

这些映射是用于识别受项目所影响的现有用例模型的子集的。

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Existing applications gradually converted their authentication and registration functions to use WI.

现有应用程序逐渐将其身份验证与注册功能过渡到使用 WI。

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And most people can use existing medicine without experiencing bad effects.

VOA: special.2010.03.30

And so it seemed a natural move for early Christian writers to use this existing pastoral form when they wanted to speak on subject of priests or ministers or affairs of the church.

于是用现存的田园诗来谈论,关于牧师或教堂事务的话题,成了早期基督派作家非常自然的转变。

耶鲁公开课 - 弥尔顿课程节选

"The problem with that body of research is that it's difficult to interpret because obviously people with existing mental health problems use cigarettes to self-medicate."

VOA: standard.2010.06.15

"They would first need to be cleared of their existing use through a process of refarming that would probably take years rather than months, " he said.

BBC: Ofcom to open up airwaves for 4G mobile services

But the strategy also urges police, prosecutors and the courts to use existing powers to restrict and monitor computer use by convicted cyber criminals, who are considered likely to strike again online.

BBC: GCHQ to help firms combat cybercrime

Congestion fees would promote efficient use of existing infrastructure by allocating its use to those willing to pay the charge.

FORBES: Chris Christie and the Highway Spenders