名词
中文翻译：人口研究
同义词：
['demographic research', 'population studies', 'demographic analysis']
例句：
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1. Population research is essential for understanding the growth of a society.
人口研究对于理解社会的增长至关重要。
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2. The government has launched a new project to study the impact of population growth on the environment.
政府启动了一个新项目，研究人口增长对环境的影响。
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3. The researchers conducted a population research to identify the factors that contribute to poverty.
研究人员进行了一项人口研究，以确定导致贫困的因素。