RUP contains guidance for how to elicit, select, and group use cases, and how to allocate them among iterations.

RUP包括如何建立、选择和分组使用用例以及如何把它们分配到迭代中的指导。

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Test plan records enable you to categorize and group related test cases.

测试计划记录使您能够对相关的测试用例加以分类和分组。

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Group chat is slightly less common a need than IM, and is less useful for informal access in your daily workflows. But for certain use cases, only group chat will do.

对群组聊天的需求并不如即时消息那样普遍，在日常工作过程的非正式联系中也不那么有用，但在特定情况下，只有群聊才能发挥作用。

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In the same period of 2001 there were 79 confirmed cases of group C meningococcal infection and three deaths.

BBC: Syringe

In the first nine months of 1999, before the immunisation campaign started, there were 551 confirmed cases of group C meningococcal infection and 47 deaths.

BBC: Syringe

In some cases the group had flagged suspicious postings that were common names with slight misspellings, said Susan Fox, the group's founder who oversees 15 moderators.

WSJ: When Nanny Ads Lie