这个范围不需要事件，因为与它相关联的对象由垃圾收集器释放，而不是由对象管理器负责。
No event is necessary for this scope because objects associated with it are released by the garbage collector rather than object managers.
因此，在一个组件中创建的范围键必须被传递给其他组件，让这些组件可以使用键获取与这个范围相关联的对象。
Therefore, scope keys created in one component must be passed to other components so the components can use the keys to obtain objects bound to the same scopes.
这个范围不需要事件，因为与它相关联的对象不会被释放。
No event is necessary for this scope, because objects associated with it are never released.
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