A 15 to 25 percent decrease in the extent of Arctic Ocean sea ice.

北冰洋的海冰范围会缩水百分之十五到二十五。

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Each ten-fold increase in a woman's blood was linked to a 30 percent decrease in her odds of getting pregnant.

妇女血液中的多溴二苯醚每增加10倍，她们的怀孕几率就下降30%。

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This represents a 26.2-percent decrease in the number of rooms in the total active pipeline compared to July 2008.

这意味着目前全部的计划和在建项目的客房数量与2008年7月相比减少了26.2%。

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A city report says economic activity last year totaled almost three billion dollars, a four percent decrease from two thousand seven.

VOA: special.2009.03.30

The electronics industry is hoping a new crop of products will help it recover from an eight percent decrease in sales last year.

VOA: special.2010.01.26

The Millennium Development Goals for two thousand fifteen call for a fifty percent decrease in the number of people without safe drinking water and basic sanitation.

VOA: special.2010.04.05

This is an 11.3 percent decrease sequentially and an 8.7 percent decrease on year.

FORBES: More Bad News for Dell, Hewlett-Packard and Sony

Revenue retreated to 7.98 trillion won on-year, a 13-percent decrease compared with the same period last year.

ENGADGET: Samsung's Q1 2012 profits nearly double year-over-year on higher margins for TVs and phones

The purchasing price index for manufactured goods went down by 2.4 percent year-on-year, and 0.1 percent decrease month-on-month.

FORBES: China Inflation Takes Bite Out Of Equities