JMS主题配置为指向主题空间中的主题；其实现使用发布点发送和接收有关该主题的消息。
A JMS topic is configured to point to a topic in the topic space; its implementation USES the publication point to send and receive messages on that topic.
发布程序和订阅程序之间有一个代理，它将某个主题下的每条消息的副本发送给适当的订阅程序。
A broker sits in between the publisher and subscribers and sends a copy of each message under a certain topic to the appropriate subscribers.
发布到SIBus的消息中，只有Header和属性与选择器匹配的消息才会发送到特定MDB。
Only messages published on the SIBus whose headers and properties match the selector will be sent to that specific MDB.
如果您使用与测试原始发布者模块相同的方式测试请求者模块，您将看到Subscriber1和Subscriber2都收到了由请求者发送的消息。
If you test the requester module in the same way you tested the original publisher module, you'll see that both Subscriber1 and Subscriber2 get the message sent by the requester.
PubSubRealTime应用程序创建了一个JMS发布者和订阅者，其中发布者发送一组消息，然后由订阅者接收。
The PubSubRealTime application creates a JMS publisher and subscriber — the publisher sends a set number of messages that are then received by the subscriber.
DB 2和OracleWeb服务都是发布者，向主题的所有订阅者发送包含该主题的信息的警报和消息。
DB2 and Oracle Web services are each a publisher sending alerts and messages containing information about a topic to all subscribers to that topic.
DB 2和OracleWeb服务都是发布者，向主题的所有订阅者发送包含该主题的信息的警报和消息。
DB2 and Oracle Web services are each a publisher sending alerts and messages containing information about a topic to all subscribers to that topic.
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