The period of time for the shortest intervals is not set but is derived by the variance of the free memory statistics.

没有设置最短的时间间隔，而是通过可用内存统计信息的变化得出。

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The sar tool is useful for gathering network utilization statistics and recording snapshots of all utilization data to a file over a period of time.

sar 工具用于收集一段时间内的网络利用率统计数据，并将所有利用率数据的快照记录到一个文件。

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BANKRUPTCY filings rose 20% in the year to June 30th compared with the previous 12-month period, according to statistics released on August 17th by the Administrative Office of the us Courts.

据美国法院行政办公室8月17日发布的统计数据指出，截至今年6月30日破产备案数同比上一年度上升了20%。

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Even as we end the seasonally strong home buying period, the statistics are positive.

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National-level statistics from the period reported a roughly 7.5% annual increase in emissions, to 7.69 billion tonnes in 2010.

ECONOMIST: Climate change

That works out to an average federal income tax bite of 17%--the lowest rate paid by the richest 400 during the 15-year period covered by the IRS statistics.

FORBES: Magazine Article