While the history data of DB2 PE is only retained for a short time (hours or days), once data is in the PWH, the data is available for reporting and trend analysis over much longer periods.

尽管DB 2 PE的历史数据只保留较短的时间(几小时或几天)，但是一旦数据被保存在PWH中，这些数据便可在很长的时间内用于报告和趋势分析。

youdao

To collect short-term history data, DB2 PE makes periodic snapshots of system activity at an interval you specify, the recording interval.

为了收集短期历史数据，DB2 PE 以用户指定的时间间隔（即记录时间间隔）制作系统活动的定期快照。

youdao

Being short of room and materials, the sports activities can't make the students get the experience of psychology and physiology, which is the main element of effecting PE interesting of students.

场地器材短缺、体育课不能使学生获得良好的心理生理体验，是影响学生体育兴趣的主要因素。

youdao

In short, PE investors will need to navigate a sea of global macroeconomic and geopolitical worries in a year characterized by choppy equity markets and nervous debt markets that could be capsized by any number of policy miscalculations or exogenous shocks.

FORBES: Where Is Private Equity Headed In 2012?