由于HTTP是无状态的协议，不存在有关用户在查看另一个页面之前所查看的页面的固有信息。
Because HTTP is a stateless protocol, there is no inherent information about the page a user looked at previously before he or she looks at another one.
他们还向人们警告，公司高管可以利用由于身份所掌握的机密信息，在利空消息到来之前可以将其股份进行套期保值。
They also warn that executives may use privileged information to hedge their shares ahead of bad news.
由于在信息被写到监视器表中之前，图中不能显示信息，所以刷新周期取决于QApply或Q Capture写监视器信息的频率。
Since the graph cannot show information unless it has been written to the monitor tables, the refresh interval is governed by how often QApply or QCapture are writing monitor information.
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