In DITA, the core information unit is a topic, which describes a single task, concept, or reference item.

DITA 的基本信息单位是 主题，它描述了单个任务、概念或者参考项。

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The content and utility of these files varies from system to system, but the core information provided by the files is often consistent.

这些文件的内容和效用因系统而异，但是文件提供的核心信息通常是一致的。

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Progress on this core information function for all our activities is also highlighted this year by a new publication, World health statistics.

今年的一份新出版物《世界卫生统计》也突出了这项促进我们所有活动的核心信息职能方面的进展。

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These two systems which are shown in the core of this diagram really are responsible for regulating and exchanging information between the other organ systems.

在这张图的中心画的就是这两个系统,它们的功能是调节其他系统,并与之交换信息

耶鲁公开课 - 生物医学工程探索课程节选

We believe this gets you to the core information faster.

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Education is, in essence, the backbone of successful economies and societies, and our core business, information technology, has had a catalytic impact on progress.

FORBES: Magazine Article

These webinars will feature speakers from core SBA programs and information on enhancements to our programs to meet the needs of more women small business owners.

WHITEHOUSE: An Inclusive Vision Of Entrepreneurship