它让我们能够显示来自多个emf模型的对象，具体做法是，提供一个可从多个模型中适配对象集合的适配器工厂。

It will allow us to display objects from more than one EMF model by providing an adapter factory that is able to adapt the union of objects from multiple models.

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例如，如果需要基于现有书面形式的表单开始设计，您不妨使用以表单为中心的方法，具体做法一般是首先复制现有表单的外观，然后设计一个数据模型与之相匹配。

For instance, if you convert paper forms, you want to use a form-centric method by which you first reproduce the look of the form, and then design a data model to match.

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可以对此实现进行增强来以简单明了的方式创建完整的ACL维护框架，具体做法是实现上面所述的图形字段更改和服务方法。

The implementation can be enhanced to create a full ACL maintenance framework in a straightforward way by implementing the graphical field changes and service methods noted above.

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