A monotonically increasing amount of trace data is produced over a period of time, which is written continuously to a text file on the disk.

在一段时间的运行过程中，将不断地产生大量的跟踪数据，并持续地将其写入到磁盘上的文本文件中。

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A relative timestamp shows the time that has elapsed since the beginning of the trace.

相对时间戳显示自跟踪开始所经历的时间。

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This saves you valuable time you might otherwise have to spend manually analyzing the DB2 trace files.

这将为您节省宝贵的时间，否则您将需要手动分析 DB2 跟踪文件。

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In the program, couples also learn about the history of the African-American marriage and many for the first time plot their family tree to trace marriage and divorces.

CNN: Saving black marriages: Does it take a village?

"Because mutations start occurring at regular intervals in these genes as soon as a new species evolves - like the ticking of a clock - we can use them to trace the evolutionary history of a species back to its time of origin, " said Dr Hedges.

BBC: Earth AP

To find out how much time phones spend keeping one ear open, Shin and Zhang conducted an extensive trace-based analysis of real WiFi networks.

ENGADGET: New 'subconscious mode' could improve smartphone battery life, supress your WiFi id