Despite the sovereign debt crisis and questions about the effectiveness of bail-out packages, the forecast for growth in the euro area has improved.

尽管发生了主权债务危机，而且人们对纾困计划的有效性产生了质疑，欧元区的增长预测却有所提高。

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The test area whose well pattern, reservoir conditions and crude oil properties are special, which will affect the effectiveness of polymer flooding in transitional zone.

由于试验区地处过渡带，其井网、油层条件和原油性质具有特殊性，这些因素将影响过渡带地区聚合物驱油的开发效果。

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Volleyball as one of gymnastic item in '2+1 item': How about its effectiveness in demonstration area?

排球作为“2+1项目”中体育项目中的一项，它在各示范区开展的效果怎样?。

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The technology is transparent, likely with low running costs and wide-area effectiveness, once baseline infrastructure is in place across devices, communications, and trained people.

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The dead mice will target snakes in a fenced-in area of the base, he said, so officials will be able to determine the effectiveness in that area versus an adjacent area that the snakes could move in and out of.

CNN: Deadly mice to rain down on Guam snakes