Component sits at the top of the hierarchy and ACTS as an abstract base class for all components. It provides various features such as.
Component位于层次结构的最顶端，充当所有组件的抽象基类。
Component sits at the top of the hierarchy and ACTS as an abstract base class for all components. It provides various features such as.
Component位于层次结构的最顶端，充当所有组件的抽象基类。
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