据估计，三分之一的可耕地为酸雨区，一些气候学家预测在长期范围内该国的粮食作物将出现减产。
By some estimates acid rain falls on a third of all agricultural land; some climate experts predict long-term reductions in the country's vital rice crop.
一般预测要求07年的净保费只增长1.8个百分点，据估计这相对于06年来说等于要实现3.3个点的实质性减速。
The average forecast calls for an increase in net written premiums of just 1.8 percent in 2007, a substantial slowdown from the 3.3 percent estimated for 2006.
国家信息中心的这一预测研究报告在本周一的《中国证券报》上发表。 据估计，今年中国的GDP总量将增长10.5％。
The centre, which made the forecast in a report published by the official China Securities Journal on Monday, has forecast China‘s gross domestic product will rise 10.5 percent in 2006.
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