How to: Define Inheritance Between Types (Class Designer).
如何：定义类型之间的继承(类设计器)。
You define the inheritance behavior so you can override it.
您需要定义继承行为以便可以覆盖它。
By collapsing aggregation and inheritance hierarchies, you simplify your model, making it easier to analyze when you define subsystems.
通过分解聚集和继承层次结构，您简化了模型，在定义子系统时使其更易分析。
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