Topics support the publish/subscribe capabilities introduced in WebSphere MQ V7 and are arranged in topic trees.
主题支持 WebSphere MQ V7 中引入的发布/订阅功能，以主题树形式排列。
Agents publish and subscribe to topics relevant to the function they provide.
代理发布和订阅与其提供的功能相关的主题。
The MQI can also allow a program to manipulate context for queues, specify alternate userids, publish or subscribe to topics, and inquire on processes and namelists.
MQI还允许应用程序操作队列上下文、发布或订阅主题、以及查询进程和名称列表。
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