服务可能会在后台正常运行，而带有用户界面的应用被暂停。
It is possible services to run normally in the background while applications with a user interface to be paused.
尽管J SF简化了创建丰富的HTML用户界面的过程，但是根据设计JSF是一种基于服务器的技术。
While JSF makes it easier for you to create richer HTML-based user interfaces, JSF is by design a server-based technology.
它要求对运行时环境拓扑、服务实现和用户界面的所有层次加以谨慎考虑。
It requires careful consideration across all of the layers of the runtime environment's topology, implementation of the services, and user interface.
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