shaded area = progress bar, it's a UI feature that display the time as a percent based of the max time display, meaning first row consider as 100% and each row "progress bar" is calculated accordingly
(阴影区域=进度栏,这是一个UI功能,可将时间显示为基于最大时间显示的百分比,这意味着第一行被视为100%,并且每行的“进度条”都将相应地进行计算)
It helps to visualize the difference between rows
(它有助于可视化行之间的差异)
In your case 7.78 is 100% and other rows are shown the progress bar as percentage of 7.78.
(在您的情况下,7.78为100%,其他行显示为7.78的进度条。)
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