Another way to approach the problem is by modifying the in-memory model.

解决这个问题的另一种方法是，对内存模型进行修改。

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After you have bound the parameters to the pattern instance, the pattern instance will refine the model by modifying existing model elements or adding new ones.

当您将参数绑定到模式实例上之后，模式实例将通过修改现有模型元素或新增模型元素来精练模型。

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There is no provision in the standard model for modifying the role-constraint relationship subsequent to deployment.

标准模型中并没有规定如何在部署后修改角色-约束关系。

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