下图显示了作为主题层内容所有者的社区如何根据核心体系结构专门化其内容。

The following figure represents how communities, as content owners at the topic level, can specialize their content based on the core architecture.

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世界卫生组织(世卫组织)选择“世界卫生组织烟草控制框架公约”作为2011年5月31日(星期二)下一个世界无烟日的主题。

The World Health Organization (WHO) selects "the WHO Framework Convention on Tobacco Control" as the theme of the next World No Tobacco day, which will take place on Tuesday, 31 May 2011.

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比如，在“how - to”设计中，概念主题仅作为背景知识出现在任务之前，而不是出现在“how - to”的中间。

For example, in the how-to design concept topics appear only as background before the tasks rather than in the middle of the how-to.

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It's at this point that Milton chose for the subject of his epic poem the subject of the tragedy that he'd been contemplating for so many years.

弥尔顿在这个时候决定用他多年来都在构思的,悲剧的主题作为他的史诗的主题。

耶鲁公开课 - 弥尔顿课程节选

And I'll start with the topic that we'll be covering next week on Monday This is a brain.

我以我们下周一要讨论的主题,作为开始,这是一个大脑

耶鲁公开课 - 心理学导论课程节选

The story of Adam and Eve and of the fall of Satan may strike us - having read or about to read Paradise Lost -- may strike us as a natural subject for Milton to have chosen for his epic poem.

弥尔顿选择了亚当夏娃以及撒旦的溃败的故事,作为他史诗的主题在我们看来--不管我们读过,还是将要读《失乐园》--都是很自然的。

耶鲁公开课 - 弥尔顿课程节选