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。
This article focuses on the first scenario only; a future article in this series will consider the abstract process concepts of BPEL4WS.
一般的UML概念，例如泛化、实现，和可见性，有相同的含义，本文中不做阐述。
General UML concepts, such as generalization, realization, and visibility, have the same meaning and are not explained in this article.
本文使用三个普遍存在的编辑工具，通过许多简单文本编辑单命令行程序阐述了这一概念：cat、ed和sed。
This article demonstrated the concept with many simple text editing one-liners using three of the most ubiquitous of editing tools: cat, Ed, and sed.
应用推荐