A more radical solution is to find new sources of commercial revenue within the terminal, and this has been explored by many airports over the last decade or so.
一个更激进的解决方案是在航站楼内寻找新的商业收入来源,而在过去十年左右的时间里,许多机场都在这一方面进行了探索。
When all MQInput nodes have sent their last message the last of these is propagated to the Finish File terminal causing the file to close.
当所有 MQInput 节点都已发送完最后一条消息时,其中的最后一条消息将传播到 Finish File 终端以导致文件关闭。
Of course, this doesn't solve one last problem: the starting non-terminal expression has nowhere to return to, so you will need to do something with the values it produces.
当然,这不能解决一个最终问题:最前面的非终结符表达式没有任何地方可以返回,所以您应该处理它生成的值。
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