The easiest way to set this up is to create the Virtual Fields activity once, and then copy and paste that activity document once for every server in the cluster.
进行这个设置最简单的方法是，一旦创建了Virtual Fields活动，就复制和粘贴活动文档到集群中的每一台服务器。
Next, you set up global variables for the command to be executed, a buffer for response messages, and a hash that will contain the fields from the trigger message (Listing 4).
下面，您为要执行的命令设置一些全局变量，为响应消息设置一个缓冲区，并设置一个哈希来包含来自触发器消息的字段(见清单4)。
However, that was not the mentality of every Glastonbury-goer, as many opted to watch the World Cup match on giant screens that had been specially set up for the occasion in two designated fields.
但这种想法并不能代表所有来参加节日的人。 主办方在音乐节现场特意设置了两个位置摆放大屏幕，方便大家观看世界杯的比赛。
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