A message queued to a topic is automatically placed on the private queue of any entity who is subscribed to that topic.
排队到主题的消息自动放置在任何订阅过该主题的实体的专用队列中。
A message queued to a topic is automatically placed on the private queue of any entity who is subscribed to that topic.
排队到主题的消息自动放置在任何订阅过该主题的实体的专用队列中。
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