在此模型中，我们将可视化(图形)模型映射到业务逻辑(域模型)中。

In this model, we map our visual (graph) model to our business logic (domain model).

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通过以图形化的方式将它们组织到系统的逻辑集合中，它可以帮助您轻松地管理相关映射的集合。

It enables you to easily manage collections of related maps by graphically organizing them into logical collections of systems.

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为此，4gl通常提供图形编辑器来支持以可视方式设计GUI，并提供专有脚本语言和API来将用户驱动的事件绑定到特定业务逻辑。

To facilitate this, 4gls typically provide graphical editors to visually design the GUI and proprietary scripting languages and APIs to tie user-driven events to specific business logic.

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