A filter is used to specify a timestamp in order to only retrieve the historical data for the time period that is of interest.

过滤器用于指定时间戳，它是为了只检索所关心的时间段中的历史数据。

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He correctly answered major questions that need to studied and resolved for Party building in the new historical period and further identified the objectives and tasks of the Party in the new century.

正确回答了新的历史时期党的建设需要研究和解决的重大问题，进一步指明了党在新世纪的奋斗目标和工作任务。

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If we study Nepalese historical records, we can see that the Kathmandu valley was the center of Buddhist learning in the medieval period.

如果我们研究尼泊尔的历史，就不难认识到加德满都的村落在中世纪时期就是佛法研究的中心。

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They hoped that in the space of a decade they would be able to complete the historical mission that had taken a period of centuries for Western intellectuals to realize.

CNN: ASIANOW - TIME Asia | Young China | Flashback: It's Not All About Money

In that novel, the eighties were not merely a discrete historical period and so the book was not a historical novel because the fictional material (love of money, excess of all kinds, fashionable drug abuse, political opportunism, the scythe of AIDS) so easily spilled beyond its temporal borders.

NEWYORKER: Sons and Lovers

And that answer does not lie in studying historical financials, or pining over small changes period to period in any line item.

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