oThe ability to select text is critical to working with documents.

选择文本的能力是运用文档的关键。

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For these types of applications, the object model constructed from a Schema can provide a very fast way to start working with documents.

对于这类应用程序，根据schema构造的对象模型能提供一种非常快速的开始使用文档的方法。

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Since it abstracts away many of the document details, data binding usually requires less memory than a document model approach (such as DOM or JDOM) for working with documents in memory.

由于数据绑定对许多文档细节进行了抽象，因此对于在内存中处理文档，它通常所需要的内存比文档模型方法(譬如dom或JDOM)要少。

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Since it abstracts away many of the document details, data binding usually requires less memory than a document model approach (such as DOM or JDOM) for working with documents in memory.

由于数据绑定对许多文档细节进行了抽象，因此对于在内存中处理文档，它通常所需要的内存比文档模型方法(譬如dom或JDOM)要少。

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