However, in the mid-90s a group of mathematicians devised a technique for reducing the dimensionality of complex data sets.

然而，上世纪90年代中期有一组数学家设计出了一种方法，能够对复杂的数据集进行降维。

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Using a directory to store user and group information has the advantage of centralizing databases in a single location for reducing user and group management complexity.

使用目录存储用户和组信息的优点是，可以将多个数据库集中于单个位置，以便降低用户和组的管理复杂性。

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"And the yoga group had all of these benefits while reducing their use of sleep medication," she says.

瑜伽组虽然减少了安眠药的使用，但得到了所有这些好处。

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The group has simpler ideas -- like reducing water use at schools and other buildings in Israel, Jordan and the Palestinian territories.

VOA: special.2009.05.18

The group proposed reducing the largest non-prescription dose of acetaminophen from one thousand milligrams.

VOA: special.2009.07.21

Mariam Ndiaye Coulibaly, the group's representative to Senegal, applauded the country's progress with regards to reducing child mortality and improving access to school.

VOA: standard.2009.11.22

The Conservative group has said reducing backroom costs means it can invest more in children's services and adult social care.

BBC: Nottinghamshire County Council

In perhaps the most noteworthy call this morning, Goldman Sachs analyst James Covello turned cautious on the chip and chip equipment stocks, reducing his rating on the group to Neutral from Atractive, noting that semi shares have outperformed the market significantly since 2008.

FORBES: Chips: Some Analysts Turn Cautious

Yahoo (YHOO) currently owns 24% of Alibaba Group, even after reducing its stake earlier this year.

FORBES: Move up http://i.forbesimg.com t Move down