The first part of this article examines all the available models, and shows a sample portlet using the page meta data to access page context information.

本文的第1部分介绍了所有可用的模型，并使用访问页面上下文信息的页面元数据演示示例Portlet。

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Components have to specify all their architecturally relevant properties declaratively (aka in meta data, or models).

组件必须以声明方式指定它们与架构相关的属性(即以元数据或模型的方式指定)。

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The result is that there are many versions of data models referring to the same thing within an organization, and each data source has its own data model and meta-model.

结果是，许多版本的数据模型引用了组织内的同一个事物，且每个数据源都有自己的数据模型和元模型。

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The two models include a remote control and feature a screen saver and a newly designed GUI for displaying meta-data, full-color album artwork and user photos.

ENGADGET: Denon outs 2009 line of Blu-ray players, AV receivers and headphones