- aging population老年人口;
- aging of population[医] 人口变老;
- ageing population[经] 人口老化;
- centre of population城市;
- rural population农村人口;
- ZPG (zero population growth)ZPG(零人口增长)
- human pyramid叠罗汉;
- NPG (negative population growth)NPG(人口增长)
- population waiting for employment待业人口;
- population theory总体理论,全域理论;
- population studies人口研究;
- population statistics人口统计;
- population reproduction人口再生产;
- population quality人口素质,人口质量;
- population increase人口的增加
- population explosionn.人口爆炸,人口激增;
- population distribution人口分布;
- population density人口密度,种群密度;
- population decrease人口减少
- population census人口普查;
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