当采用打包应用软件开发或者企业系统集成时，构架师的大部分工作已经完成，因为您不需要创建系统中较大的元素。
When undertaking packaged application development or enterprise application integration, much of the architect's work is done, since you don't need to create large elements of the system.
就像人们使用J2EE技术来开发大型的、复杂的企业应用软件一样，各种不同的组件必然会紧密组合在一起来产生一个集成的应用软件。
As people use J2EE technology to develop large, complex enterprise applications, it is inevitable that different components are assembled cohesively to produce one integrated application.
从应用软件的体系结构来看，可以在企业遗留应用的表示层、数据层和功能层实现集成。
On the view of software architecture, EAI can be executed in presentation layer, data layer and function layers.
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