In an actual system, the architect would design the classes for each software layer (presentation, business, and data access).

在实际的系统中，架构师会为每个软件层(表示层、业务层和数据访问层)设计类。

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OSI/RM classify the structure of the network into application layer, presentation layer, session layer, transport layer, network layer, data link layer and physical layer.

OSI/RM将计算机网络将网体系结构划分为应用层、表示层、会话层、传输层、网络层、 数据链路层和 物理层七个层次。

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Or feed readers that create a beautiful presentation layer.

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In addition, mobile developers are able to leverage the cloud for fast, complex processing of their application services before delivering the presentation layer across multiple form factors and devices to ensure great user experience.

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