demographer中文什么意思

人口统计学家

人口学家

例句与用法

Selectivity of human migration has long been the focus of demographers and economists
摘要人口迁移的选择性一直以来都是人口学家和经济学家关注的焦点。
Demographers have calculated that the world ' s population will double by the end of the twentieth century
人口统计学家推算到了二十世纪末世界人口会加倍。
Millions of soon - to - retire baby boomers , say demographers , will propel this trend for years to come
人口统计学家称，成百万行将退休的战后一代将此趋势烧得更旺。
Demographers also expect strains on the household registration system , which restricts internal migration
人口统计学家同时预测阻碍国内移民的户籍制度将受到压力。
Demographer william frey says immigrants with young families will help keep the united states competitive
人口统计学家佛瑞表示这些年轻的家庭会帮助美国保持竞争力。