demographers
英
美 [dɪˈmɑgrəfərz]
n. 人口统计学家
demographer的复数; demography的复数
柯林斯词典
- 人口学;人口统计学
Demography is the study of the changes in numbers of births, deaths, marriages, and cases of disease in a community over a period of time.
双语例句
- This may appear shocking to sociologists and demographers since it has been long believed that preference for sons over daughters prevails in populations of East Asia.
这个结论可能会令社会学家和人口学家震惊，因为人们一直认为东亚人群中重男轻女倾向普遍。 - Demographers consider that to keep populations from falling, each woman, on average, must produce 2.06 babies, or an average of one daughter each.
人口统计学家认为，为了维持人口稳定，平均每个女性需要生育2.06个孩子，或者是平均每个女性要生育一个女孩。 - Opinion polls often show a willingness among parents to bear a second child, but this is often not matched by actual births, demographers say.
人口统计学家称，民意调查往往显示父母愿意生育第二个孩子，但这往往与实际生育情况不相符。 - In other countries, demographers have also grappled with theories of baby booms linked to specific events.
在其他国家，人口统计学家还坚持着婴儿潮与特定事件有关联的理论。 - Birth-planning laws already allow so many exceptions that many demographers consider it a misnomer to call it a one-child policy.
中国的计划生育法规已经允许了太多的例外，因此许多人口统计学家认为独生子女政策已名不副实。 - But demographers say what the trend truly reveals is that adults just prefer their own company, living near their families, but not with them.
但人口学家说，这种趋势实际上反映出成年人更愿意独处、住在家人的附近但不一起生活。 - Until recently most discussion in China has been confined to academic demographers.
迄今为止，在中国的大多数讨论都限于学术界的人口学家。 - 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。 - 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。 - Demographers say this approach is too cautious for the growing labour needs.
人口统计学家表示，在劳动力需求不断增长的情况下，这种态度显得过于谨慎。 - Demographers say a rate of 2.1 is needed to keep a population from declining.
人口统计学家指出，生育率必须达到2.1，才能防止人口减少。 - This isn't the stuff of gloomy philosophical meditations, but a fact of Europe's new economic landscape, embraced by demographers, real-estate developers and ad executives alike.
这不是悲观的人生思考，而是欧洲经济新气象，它受到人口学家、房地产发展商和广告商这类人的普遍欢迎。 - Such trafficking has risen in recent years, demographers say a sign of the high price the country is paying for its gender imbalance, exacerbated by its one-child policy.
人口统计学家们表示，中国的拐卖儿童案件近年有所增多，这是中国为性别不平衡付出高昂代价的一个迹象，独生子女政策加剧了这种不平衡。 - Some Chinese demographers worry that the country will get old before getting rich.
一些中国的人口学家甚至担心国家未富先老。 - Policymakers, demographers and military men all thought rapid population growth was the biggest single threat to mankind and that drastic measures would be needed to rein it in.
政策制定者、人口统计学家以及军事人员均认为，迅速增长的人口是对人类最大的威胁，而必须采取一些严厉的措施来收缓其增长。 - This year, World Habitat Day falls during the month when demographers predict our planet's seven billionth inhabitant will be born.
今年，在世界人居日所在的这个月，据人口学家预言，将诞生我们星球上第70亿个居民。 - With too few workers and too many old people, demographers say China faces an ageing crisis.
人口学家表示，由于劳动力太少，而老人太多，中国面临着老龄化危机。 - Committee of Planners, Statisticians and Demographers The Additional Births v.s Population of Yanbian Korean Ethnic Group
规划人员、统计人员和人口学家委员会延边朝鲜族人口多胎生育行为及人口学后果 - 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。 - In the public's eyes, demographers have a checkered reputation. What is your opinion of the effectiveness of this form for evaluating managers?
民众对人口统计学者的评价不一。你认为用这个表评价管理者效果如何？ - Shanghai, which demographers say has the lowest birth rate in the world, has launched repeated efforts to encourage procreation – but to no avail.
上海屡次出台措施鼓励生育，但毫无成效。据人口学家表示，上海的生育率已是全球最低水平。 - The Family Planning Council and demographers need to stop ignoring the facts and put the revision of China's population policy onto the fast track.
计生委和人口学家需要停止忽视事实，并且急需修正中国的人口政策。 - Many demographers believe that around the end of the century, the global population will gradually level off.
许多人口统计学家认为在本世纪末期的某个阶段，世界人口将趋于平稳。 - Selectivity of human migration has long been the focus of demographers and economists.
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。 - Rural counties gained population in the1990s, a development that surprised demographers who dubbed it the "rural rebound." this movement continued in2001 and after.
1990年代乡村人口锐增，人口统计学家对此大为惊讶，称之为“乡村反弹”。这一增长持续至2001年之后。 - Demographers and economists have put great concern and focus on the new theory of Demographic Dividend and made some research in this field.
人口红利理论的出现随即得到国内学者的高度重视和广泛关注，并在该领域取得一些研究成果。 - The matter of income has always been the key issue concerned by the economists while that of population development is the hot issue studied by the demographers.
收入问题历来是经济学家关注的重要问题，人口发展问题始终是人口学研究的热点问题。 - In the diffusion phase, the United States biologists and demographers R. Pearl and J. Reed ( 1920) first time in the biological reproduction found the proliferation of S-type curve, was widely used in the process of biological growth in technological innovation.
在扩散阶段，美国生物学家和人口统计学家R.Pearl和J.Reed（1920）首次在生物繁殖研究中发现S型扩散曲线，后被广泛用于生物生长过程和产业新技术创新成长过程的描述。