它也会进一步增强人们对“胖尾”或者说末端事件如何与风险相关的关注：或许兴业的风险管理人员是因为过于沉浸于次贷的伤痛中而无暇顾及期货的伙计们在忙啥？
It will also reinforce concerns about how "fat-tail", or extreme, risks correlate: might SocGen's risk managers have been too distracted by its subprime woes to keep watch on the futures desk?
当您选择 once 选项时，通过连接来自输出末端的多个流来完成聚合，其中每个流都是由消息的一次触发发起的。
When you choose the once option, the aggregation is accomplished by wiring multiple flows from the output terminal where each of these flows is initiated by the one firing of the message.
您可以配置 Fan Out 中介原语，以仅触发其输出末端一次，或对使用指定 XPath 表达式获取的每个元素都触发一次。
You can configure the Fan Out mediation primitive to fire its output terminal just once or once for each element obtained using a specified XPath expression.
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