A UML 2.1 defined metaclass can be used to specify the type of stereotype attributes by creating a metaclass association between the stereotype and the desired metaclass.
Other stereotypes can be used to specify the type of stereotype attributes by creating a directed stereotype association between the two stereotypes.
其它的原型可以被用来指定原型属性集的类型，通过创建一个直接的原型关联，在两个原型之间。
3
When Tom completes the domain associationof the four new atomic domains, the Data Project Explorer shows four columns in the physical model having privacy masking attributes, as shown in Figure 18.
当 Tom 将 4 个新的原子域与对应的列关联起来之后，Data Project Explorer 将在具有隐私屏蔽属性的物理模型中显示 4 个列，如图 18 所示。