如果订阅并使用此事件，则继承层次结构中所有跟着的派生类型都必须实现相同序列化机制。

If this event is subscribed to and used, all derived types that follow in the inheritance hierarchy must implement the same serialization mechanism.

youdao

如果订阅并使用此事件，则继承层次结构中所有跟着的派生类型都必须实现相同序列化机制。

If this event is subscribed to and used, all derived types that follow in the inheritance hierarchy must implement the same serialization mechanism.

youdao