客户需要内部系统与外部服务(SOA或云)之间的交互，他们需要管理、安全加固、整合、以及加强这些服务的访问。

These customers want to talk from internal systems to external services (SOA or cloud) and they want to manage, secure, integrate, and generally enhance the access they get to those services.

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为了加以说明，图4演示了客户的一个屏幕流，显示它如何与订单管理流程进行交互。

To illustrate, Figure 4 shows a screen flow for a customer, showing how it interacts with the order management process.

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数据对象代表本地可用数据的对象。利用它，客户端组件可以进行交互；它也是对象的封装器，可以管理该对象的属性变更事件。

A data object represents an object of data that is available locally with which client components can interact, and is a wrapper to an object that manages property change events for that object.

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