demographers信息详情
n.[统计]人口统计学家,人口学家
demography is───人口统计学是
demography defined───人口统计学定义
cantonment florida demographics───佛罗里达州营地人口统计
demography───n.人口统计学
imminent demography───即将到来的人口统计学
demography clipart───人口统计学剪贴画
demography major───人口学专业
demographic trends project───人口趋势项目
customers demographics───客户人口统计
demography refers to───人口统计学是指
from what America already knows about itself, the bureau's experts and other demographers offer an irresistible, if clouded, crystal ball among their visions.───根据美国已经了解的情况,统计局的专家和其他人口统计学家在他们的视野中提供了一个不可抗拒的水晶球。
To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility.───为了做出更准确的人口预测,人口统计学家必须比现在更多地了解生育率的社会和经济决定因素。
Demographers reckon that three quarters of humanity could be city dwelling by 2050, with most of the increase coming in the fast growing towns of Asia and Africa.───人口学家估计,到2050年,将有四分之三的人类居住在城市,其中大部分将来自亚洲和非洲快速发展的城镇。
Some demographers, however, argue that plummeting fertility rates and a rapidly aging population are reasons enough to ease the rules.───一些人口统计专家却认为,如今急剧下降的出生率以及快速形成的老龄化社会是尽快叫停这项政策的原因。
Demographers used to say that fertility rates only fell when women got educated and the economy got rich.───人口学家们总是说生育率只有在妇女们获得了良好的教育并且在经济富裕的情况下才发生。
Demographers expect the size of the working-age population to peak sometime in the next five years or so, and then gradually decline.───人口统计学家预计,适龄人口数量将在未来五年左右的某个时间达到顶峰,然后逐渐下滑。
Some of the sociologists, psychologists and demographers who study this new life stage see it as a good thing.───一些研究这一新的生活阶段的社会学家、心理学家和人口统计学家把这样现象看成是一件好事。
Demographers are waiting to see the full census results before drawing conclusions about data quality.───人口学家们在等更完整的普查数据出台,再对数据的质量做出结论。
Sex and affection, some Mexican demographers argue, tend to be signs of confidence, expressions of faith that opportunities await.───一些人口统计学家认为,性行为与爱意表达很可能是信心的表示,表明了人们对于未来机遇的信念。
Demographers like Guilmoto say that India will reach a transition point in which the child sex ratio begins to stabilize and then work its way back to equilibrium.
Demographers project that its population will double in size within a generation.
But demographers and social scientists also use more objective measures.
Demographers estimate that about 60 percent of recent urban growth has resulted from high birthrates in the cities themselves.
It is a fiendishly complicated negotiation between demographers and planners at local, regional and national level.
In the public's eyes , demographers have a checkered reputation.
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.
Over the years demographers have groped for ways to convey some sense of what this extraordinary growth in human numbers means.
The figures have greater impact when demographers get down to specific cases.