Most event-driven systems rely on prebuilt event queue technologies, such as a Message-Oriented Middleware (MOM) framework.

多数事件驱动的系统依赖于预先构建的事件队列技术，如面向消息的中间件(Message - Oriented Middleware, MOM)框架。

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As opportunities and threats appear at unpredictable times, event-driven systems must respond to events at times that are externally determined.

当机会和威胁在不可预测的时间出现时，事件驱动的系统必须在外部确定的时间响应事件。

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These event-driven systems can form models by analyzing massive amounts of data, but they don't rely on accessing all that data all the time.

这类事件驱动系统可以通过大量资料分析产生模型，且无须随时存取所有资料。

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