The study of distributed involves the study of distributed processing technology, net work technology and database study, which must be related to solution on some real existent problems.

分布式数据库系统的研究涉及分布式处理技术、网络技术和数据库技术的研究，而这些研究必须贯穿在对一些现实问题的解决之中。

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In a 2007 study in the Cochrane Database of Systematic Reviews, researchers pooled and analyzed the results of a half dozen clinical trials looking at the effects of caffeine on asthmatics.

科克伦系统评价数据库于2007年收录的一份研究报告显示，研究人员曾集中分析了六例临床实验病例，以观察咖啡因对哮喘的疗效。

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We've only begun to study the impact of such caching on our database performance, but early results are promising.

虽然我们的研究还仅限于缓存对数据库性能所造成的影响，但早期的结果还是很有希望的。

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Study of the database indicates that as society's attitudes change, so do the terms children use as their "nuclear words" - especially harsh insults.

BBC: Refugee: today's playground insult?

Hiatt said that the database from the New England Journal study was also not made available to the FDA, making it difficult for the panel to consider them.

FORBES: Magazine Article

Instead, the study tracked patients from a national database--and the patients who got the drug-coated stents were sicker.

FORBES: Stents, Smoke And Fire