This article focuses on the first scenario only; a future article in this series will consider the abstract process concepts of BPEL4WS.

本文中着重阐述第一种情形；本系列以后将会有一篇文章来讨论BPEL4WS的一些抽象流程概念。

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The series discusses the ESB in abstract terms and avoids product specifics; that is, this series is not about the IBM WedSphere ESB product or any other instances of the ESB pattern.

本系列用抽象的术语讨论esb并避免讨论产品细节；也就是说，本系列不讨论IBM WedSphere ESB产品或esb模式的任何其他实例。

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Recall from earlier in this series that when you provide a link to a Web page, you configure a description of the page, such as its title, URL, abstract, and keywords.

在本系列之前的部分中，在为一个 Web 页面提供一个链接时，可以给这个页面配置一个描述，例如页面的标题、URL、摘要和关键字。

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The two communities are at odds over whether string theory is a series of abstract puzzles or whether it says something about the real world.

ECONOMIST: Theoretical physics

The challenge was part of Iconathon, a nationwide series of day-long workshops during which policy experts and graphic designers create abstract symbols that represent concepts in food, transportation and other public goods.

FORBES: Can Graphic Design Help You Find Cheap, Healthy Food?