开发者可以通过GWT Designer在Eclipse中通过拖拽的方式装配用户界面以创建基于GWT的应用，同时GWT Designer还支持双向的UI与代码生成。

GWT Designer provides a way of building GUIs inside Eclipse for creating GWT-based applications using drag-and-drop to assemble user interfaces, as well as bi-directional generation of UI and code.

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结果，早期开发者醉心于使用代码维护他们的运算法则，但对用户界面却关注甚少。

As a result, early developers devoted as much code as possible to running their core algorithms efficiently and gave little thought to user interface.

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例如，在你的应用程序中，有两个界面，基于Web的和WPF的，那么你可以在两者中都使用同样的模型定义代码。

For example, if in your app, you had both a web based interface, and a WPF interface, you could still use the same code for your Model for both.

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