它同样将域分解过程中鉴别的用例作为子系统接口上公开的服务。
It also puts the use cases identified during domain decomposition as exposed services on the subsystem interface.
这些最初的构建工作是痛苦的：我们在配置管理上有很多问题；一些子系统接口级别的细节已经丢失了；并且一些子系统稍微的落后于计划。
These initial builds were painful: we had problems with our configuration management; some details at the subsystem interface level had been missed; and some subsystems were slightly behind schedule.
子系统之间的接口关于将它们集成成为更大的整体(即，系统)是至关重要的。
The interfaces between subsystems are vital to their proper integration into the larger whole that is the system.
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