We do this by specifying a static date/time value in executed reports so that different date/time values do not appear when comparing source and target output.

为此，我们在已执行的报告中指定一个静态的日期/时间值，以便在比较源和目标输出时，不同的日期/时间值不会出现。

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Shadows can indicate the time of day. Comparing weather reports with date stamps can reveal whether a video or photograph really was taken on a particular date.

声音可以起作用，阴影也能显示出白天的某个时段，根据日期戳对照天气预报可以知道一个视频或照片是否真的拍摄于某个特定的日期。

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