The application presentation layer is composed of JSPs, servlets, or portlets that get the program data from the back-end (or business logic) and create the layout HTML (or another markup language).

应用程序表示层由jsp、servlet或portlet组成，它们从后端(或业务逻辑)获取程序数据，然后创建布局HTML(或其它标记语言)。

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To help manage the presentation layer in your application, you should split it up into manageable units.

为了有助于管理你的应用程序的表现层，你应该把它分成可管理的小单元。

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Model refers to your data, View to your presentation layer, and Controller refers to the application or business logic.

模型指数据，视图指表示层，而控制器指应用程序逻辑或业务逻辑。

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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.

FORBES: How The Cloud Changes Businesses Big And Small