名词
中文翻译：人口倍增时间
同义词：
['population growth rate', 'population increase time', 'population doubling period']
例句：
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1. The city's populationdoubling time is expected to bereduced by half in the next decade.
预计该市的人口倍增时间在未来十年内将减少一半。
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2. The researchers found that thepopulation doubling time for this specieswas significantly shorter than that of its closestrelative.
研究人员发现，这种物种的种群倍增时间显著短于其最接近的近亲。
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3. The project aims toreduce the population doubling time ofthe region's forests by50%.
该项目旨在将该地区森林的种群倍增时间减少50%。