These actions involve direct interaction between users and back-end systems (Order Processing system) and indicate a Self-Service business pattern.

这些操作包括指导用户与后端系统(预定处理系统)进行交互，并指定一个自服务(Self - Service)的业务模式。

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The request and reply message types are self-explanatory, as they deal with the request and response interaction between client and server applications.

请求和应答消息类型是不言而喻的，因为它们处理客户端和服务器应用程序之间的请求和响应交互。

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The interaction between actors and the system demonstrated in the original "check in Guest" description can now be used as part of a kiosk application (self-check-in), thus automating the business.

在初始的“顾客登记”描述中所显示的用户同系统之间的交互作用，现在作为应用软件的一部分(自己完成登记)，因此实现了办公的自动化。

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"As Web sites like YouTube get more embedded in other people's pages, there's an opportunity for a kind of self-contained interaction that could substitute for that venerable click-through, " he says.

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