The more effective theoretical models had early model of working memory, and the working memory was divided into 3 parts: vision space template, phone ring and central performance system;

较有影响力的理论模型有早期工作记忆模型，它将工作记忆分成3部分，视觉空间模板、语音环及中央执行系统；

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Data binding is not only more convenient for developers than working with a document model, it's also much more efficient in terms of both performance and memory use.

与使用文档模型相比，数据绑定为开发人员带来了更大的方便，同时，它在性能和内存使用方面的效率也更高。

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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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