在为复合应用程序开发组件时，有几种经常出现的模式类型。
Several types of repeated patterns occur when you develop components for use in composite applications.
为重用模式组件提供高潜能可以缩短未来的开发时间和让大规模更改变得容易。
Providing high potential for reusing schema components can reduce future development time and make sweeping changes easy.
更重要的是，Subversion只是这个模式的一半，因为有效软件开发过程的另一个关键组件是变更管理。
More important, Subversion is only half of the story, because the other key component of an effective software development process is change management.
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