Applying a pattern to your model involves mapping the generic roles in the pattern solution to specific domain classes within your model.
要将模式应用到模型，涉及到将模式解决方案中的通用规则映射到模型中特定的域类。
To do this, you must add any state and relationships that the pattern requires to your domain classes.
为此，您必须将模式需要的所有状态和关系添加到域类中。
The design pattern for a domain requires an abbreviation to represent the domain.
域的设计模式需要一种缩写来代表域。
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