Activation Queue? Maintains method requests pending for execution.

Activation Queue——维护等待执行的方法请求。

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The Activation queue is an event handling-type queue, which might collect events from multiple providers.

Activation Queue是一个事件处理类型的队列，它可以收集来自多个提供者的事件。

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Manager - plays the role of Proxy of the active object model; using instances of EventMessage, the Manager determines service invocation requests that are placed into an Activation Queue.

Manager——扮演活动对象模型的代理角色；通过使用EventMessage的实例，Manager确定放入激活队列中的服务调用请求。

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