本文列出的十大拥挤都市是通过根据土地面积和人口统计数字(来自美国人口普查局)计算后排序的结果。
Here, the 10 most crowded cities in the United States, based on land area measurements and population statistics from the United States Census Bureau.
丹麦的国民人口数相对稳定，但二零零三(最新人口统计数)年在丹麦出生的3.9%的婴儿都是应用试管授精的结果。
Denmark's native population is more or less stable, but some 3.9% of babies born there in 2003 (the most recent year for which figures are available) were the result of IVF.
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