To show a component's inner structure, you merely draw the component larger than normal and place the inner parts inside the name compartment of the encompassing component.

为了显示组件的内部结构，你只需把组件画得比平常大一些并在名字区内放置内部的部分。

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The top compartment (with gray color) indicates the DataObject instance name and its real type; the bottom compartment indicates the contained properties.

顶部间隔（灰色）指示 DataObject 实例名称及其实际类型；底部间隔指示所包含的属性。

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The notation of an instance is the same as a class, but instead of the top compartment merely having the class's name, the name is an underlined concatenation of

实例的记号和类一样，但是取代顶端区域中仅有的类名，它的名字是经过拼接的

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