无论是性能下降问题，还是与任何服务器或资源的用户连接断开问题，每个任务的具体问题都会记录下来，而且性能结果也会收集起来。
Whether the problems are slow performance or user disconnects to any server or resource, specific errors are recorded for each task and performance results are collected.
如果有许多消息，而您的邮件客户机在移动它们时与IMAP服务器的连接断开(在慢速网络链接上常常发生这种情况)，那么可以使用这一能力。
If there are many messages and your mail client loses the connection to the IMAP server while moving them (as happens often over a slow network link), this capability is for you.
瞬时cookie除在用户断开与服务器的连接时被破坏或在某一段预设的时间内不活动之外，与其它的cookie是一样的。
A transient cookie is like any other with the exception that it is destroyed once the user disconnects from the server or is inactive for some preset time.
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