It is mostly agricultural irrigation that is driving the increase, because it accounts for 70 to 80 percent of global groundwater usage.

这主要是农业灌溉是推动了这一增长，因为灌溉占全球地下水用量的70%至80%。

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Hunger and malnutrition have been found to increase both the incidence and the fatality rate of the conditions that cause up to 80 percent of maternal deaths.

人们发现，造成80%的产妇死亡的条件，其发生率和致死率由于饥饿和营养不良而提高。

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However, 80 percent of the increase was due to higher gas prices, meaning that the risk of widespread inflation remains low.

然而，消费者价格指数上涨80%来自于燃气价格上涨，说明大规模通胀风险仍维持在低位。

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If symptoms improve after the first five to 10 minutes (as they often do), you can gradually increase the length and effort of your workout up to about 80 percent to 90 percent of your usual routine.

CNN: Signs you're too sick to work out

This increase in demand saw Samsung increase its portion of LED TV sales from the mid 60-percent range to a mid 80-percent share, quarter-on-quarter.

ENGADGET: Samsung's Q2 2012 earnings show $5.86 billion operating profit, that's a lot of Galaxy S IIIs