JMS应用程序常常使用这种模型，并且该模型的缺点是将单个请求与响应关联起来，每个请求都需要使用一个临时目的地。
This model is commonly used by JMS applications, and has the disadvantage that to correlate individual requests with responses, it is necessary to use a temporary destination per request.
诊所通常并不随时在线，因此必须保证可靠地交付日程表，甚至使用者临时断开连接也应如此。
The medical offices aren't typically always online, so the reliable delivery of the agenda must be guaranteed even when the consumers are temporally disconnected.
尽管ifconfig命令可以处理一些临时的设备配置修改，但是如果不使用chdev命令，这些修改不会永久地注册。
Although the ifconfig command can handle some temporary device configuration changes, these changes will not be registered permanently unless you use the chdev command.
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