在本场景中，当数据刚刚被移到该表中时，它包含的信息要少于一个小时的，因为执行该步骤所需的时间导致了很小的时间差量。
When the data has just been moved into that table, it contains in our scenario information that is no more than an hour old, plus a small delta corresponding to the time required to execute the step.
显示从队列中取出元素的两次调用之间的时间差。
The time delta is displayed between successive calls to get elements from the queue.
看完这些测试结果之后，您首先注意到的是在这些浏览器中运行得到的时间差很大。
The first thing that you should notice when looking at these results is the wide range of times from the browsers.
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