在此用例中，系统接口组件是契约之类内容的实现。

In this use case, the system interface component is the implementation of such as contract.

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指示板层含有用户接口组件，用来收集数据供客户端服务层生成请求对象。

The dashboard layer contains the user interface components used to gather the data that the client service layer uses to generate the request objects.

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计费系统还可以提供订户接口组件，这些组件将被集成到最终用户门户网站中。

The billing system may also provide subscriber interface components that would be integrated into an end user portal.

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