一个部分称为EventInfo，描述静态事件信息的类型，另一个部分称为TradeOutArray，描述动态业务有效负载的类型。

One part, called EventInfo, describes the type of the static event information and another part, called TradeOutArray, describes the type of the dynamic business payload.

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在第一次需要它的时候，这样一个静态的分配器可能会创建事件的每个类型，以后每次只返回由新的信息更新过的相同实例。

Such a static allocator might lazily create each type of event the first time it is needed and subsequently return the same instance each time, updated with the new information.

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最重要的子系统是：静态模型、变更管理、虚拟装配对象和事件处理。

The most important subsystems are: the Static Model, the Change Management, the Virtual Object to Assemble, and the Event Processing.

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