Step two is to aggregate and index published news content so that aggregators can better point their users to the published content.

第二步是对已发布新闻内容进行聚合和索引，以使聚合器能更好地帮助用户找到已发布的新闻内容。

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Carbon dioxide emissions may not be directly responsible for health problems at or near their point of release, but in aggregate they can cause lots of distress.

二氧化碳的排放可能不会对排放点附近的人们的健康产生直接影响，但整体来说，二氧化碳的排放能引发很多问题。

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We discovered that there is a point where aggregate index costs—more-expensive INSERT and DELETE operations, for example—outweigh a new index's query speed-up benefit.

我发现有一个聚合索引成本的点 — 例如，更为昂贵的 INSERT 和 DELETE 操作 — 超出一个新索引的查询加速所能带来的效益。

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The fund gained 1.32% Monday, outperforming its benchmark, the Lehman Brothers U.S. Aggregate Index, by 0.51 percentage point, according to Chicago investment-research firm Morningstar Inc.

WSJ: Winners Exist in Fannie-Freddie Rescue

Optimized for customers in oil and gas exploration and the defense industry, a single Tesla K10 accelerator board features two GK104 Kepler GPUs that deliver an aggregate performance of 4.58 teraflops of peak single-precision floating point and 320 GB per second memory bandwidth.

ENGADGET: NVIDIA outs a pair of Tesla GPUs to electrify your supercomputer