China's present HIV prevalence rate of 0 · 06% might seem low, but the absolute size of the population means large Numbers of people are infected with HIV.
中国现在的HIV感染率0.06%也许看起来很低，但是由于绝对人工基数太大，意味着有大量HIV的感染人群。
The great plagues and wars of the 14th century, for example, reduced not only the growth rate but also the absolute size of global population, both largely involuntary changes.
例如瘟疫与战争不只抑制了成长率，还减少了全球人口数，但是那并不是出自有意识的抉择。
The great plagues and wars of the 14th century, for example, reduced not only the growth rate but also the absolute size of global population, both largely involuntary changes.
例如瘟疫与战争不只抑制了成长率，还减少了全球人口数，但是那并不是出自有意识的抉择。
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