This article will show you how to model arrays, unions, abstract classes, default values for attributes, and so on.

这篇文章将向您显示如何建模数组、联合体、抽象类，为属性建模默认值等等。

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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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This part of the article can be seen to be more abstract, in that its focus is the relationships and representing business agility goals, which by nature are dynamic.

本文的第 1 部分比较抽象，因为这里的重点在于关系和业务敏捷性战略目标的表述，它们在本质上是动态的。

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