Publish-and-subscribe messaging is a way to achieve one-to-many delivery semantics between applications for a given message as shown in figure 2.
发布-订阅消息传递是针对一条特定消息在应用程序间实现一对多传递语义的消息传递方式，如图2所示。
Publish-and-subscribe messaging is a way to achieve one-to-many delivery semantics between applications for a given message as shown in figure 2.
发布-订阅消息传递是针对一条特定消息在应用程序间实现一对多传递语义的消息传递方式，如图2所示。
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