在这种模型中，发出请求的应用程序在一个已知的队列上侦听响应。
In this model, the requesting application listens on a well known queue for a response.
激活规范指示MDB是否侦听发布到某个主题或队列的消息。
The activation specification indicates whether the MDB listens for messages published to a topic or a queue.
主线程会侦听缓冲队列，并服务其接收的请求。
A main thread will listen to the buffered queue and will service the requests it receives.
应用推荐