The interactions are initiated by firing a signal or message that corresponds to some business-domain event.

通过触发对应于某些业务领域事件的信号和消息，来启动交互。

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That way every new domain class created already has the fields and event closures in place.

这样，新创建域类时它们就有适当的字段和事件闭包。

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Each event is in the domain of the transition function belonging to the "current" node, where the function's range is a subset of the nodes.

每个事件都在属于“当前”节点的转移函数的控制范围内，其中函数的范围是节点的一个子集。

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Behind the scenes The Pirate Bay team is working hard to ensure that the site will remain online in the event that servers, domain names and Internet routes are cut off.

FORBES: The Pirate Bay Preparing For Police Raid

The officers look at the scene of the event they were called to as their domain, their turf, their territory, where some order has been disturbed and they were called to restore it.

CNN: Commentary: Obama's rush to judgment on police