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据对京沪穗三市450名18至60岁的市民调查结果显示,知道非典型肺炎的人群比例高达83.6%,已有
According to a survey of 450 people aged 18 to 60 in the three cities of Beijing, Shanghai and Guangzhou, the proportion of people who know the SARS epidemic is as high as 83.6%