There is only one set of files containing the logic for these applications per installation, and those application files are located with the rest of the core product binary files.
对于每个安装来说，仅仅有一套包含逻辑的应用程序文件，并且这些应用程序文件其余核心产品二进制文件位于一起。
While this is sometimes hard to tell (and is often driven by the product (s) you use), a good starting point for the discussion is to think of infrastructure logic versus business logic.
尽管这有时很难说清楚(而且通常由您使用的产品驱动)，但谈论的一个较好切入点是考虑基础结构逻辑和业务逻辑。
Once we have those, then a team could just do some UI development, create new linkages among business logic modules, and presto! Out rolls a new product or service.
一旦我们完成了这一界面，那么团队就可以只做一些UI开发，在商业逻辑模块之间创建新的链接，很快就可以发布一个新的产品或服务。
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