The Aggregation property is important for complex types: it has to be set to Composition for attributes of a class type and Shared for attributes of metaclass or stereotype.

聚合属性对于复合属性集非常重要：它必须要为类的属性设置成Composition并且为元类的原型类型设置为 Shared 。

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The Aggregation property is important for complex types: it has to be set to Composition for attributes of a class type and Shared for attributes of metaclass or stereotype.

聚合属性对于复合属性集非常重要：它必须要为类的属性设置成Composition并且为元类的原型类型设置为 Shared 。

youdao