If the message target is offline, the message is stored on disk so it can be processed once the target system is back online.
如果消息目标离线，就把消息存储在磁盘上，当目标系统再次上线时可以继续处理消息。
In this example, when a user logs in to the system, the services send a message via a JMS topic to tell all the other Flex clients that the user is online.
在这个例子中，当用户登录到该系统，服务层会经由JMS主题发送一个消息，告诉其他所有的Flex客户端该用户已上线。
In addition, we provide members with online albums, message boards and a reunion planning system.
另外我们提供会员线上相簿、讯息版及相聚企划系统。
In addition, we provide members with online albums, message boards and a reunion planning system.
另外我们提供会员线上相簿、讯息版及相聚企划系统。
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