您已经看到了，需要怎样把它们互相连接和调整它们以创建一个内聚的应用程序。
You have seen how they need to be interconnected and coordinated to create a cohesive application.
应用程序常常没有嵌入高内聚和低耦合的原则的原因与现实的软件开发过程有关。
The reason that applications frequently fail to embody the principles of high cohesion and low coupling relates to real-world software development processes.
它有助于开发人员将应用程序拆分为松耦合、高内聚的功能片断的集合，然后以灵活的方式将它们粘连在一起。
Helping developers split applications into a collection of loosely-coupled, highly-cohesive pieces, and then glue them back together in a flexible manner.
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