"It really raises the question of what should be considered normal ageing," says Kenneth Manton, a demographer from Duke University in North Carolina.
北卡罗来纳州杜克大学人口统计学家肯尼斯·曼顿说：“这确实引发了一个问题，即什么是正常的老龄化。”
"Now, foreigners come to Hong Kong to build a life, " says Paul Yip, a demographer at the University of Hong Kong.
“现在，外国人来香港建立他们的生活。”香港大学的人口统计学家PaulYip说。
The demographer will coordinate data collection and analysis on human settlements conditions.
这个人口统计学家将会整合这些数据并分析人类的居住条件。
One demographer has said the 300 millionth person would likely be a Latino boy given current U.S. population trends.
美国一位人口统计学家曾说，从目前美国的人口走势来看，这第三亿个人可能会是一个拉丁裔男婴。
One demographer has said the300 millionth person would likely be a Latino boy given current U. S. population trends.
曾说，从目前美国的人口走势来看，这第三亿个人可能会是一个拉丁裔男婴。
Joel Kotkin, a demographer, points out that California has always had fires during dry years, at least since the time of the Spaniards.
人口统计学家约尔·柯特金指出，加州在干旱年份总是有火灾，这至少始于西班牙人统治时期。
The new figure is six times the intermarriage rate of roughly 2% in 1960, says senior demographer Jeff Passel, the report's lead author.
这个新的数据六倍于1960年约2%的异族婚姻率。高级人口统计学家、该报告的主要作者JeffPassel如是说。
Brookings Institute demographer William Frey notes that the current economic downturn may have actually given these median income levels a boost.
布鲁斯金学会人口统计学家威廉，弗利表示，当前的经济不景气可能真的已经给这些收入中值水平一个提升。
A Norwegian demographer, Henrik Urdal, reckons a country's risk of conflict rises four percentage points for every one-point increase in the youth population.
挪威人口统计学家亨利克•厄达尔认为，一个国家的年轻人口每增长一个百分点，其发生冲突风险的几率就会提高4个百分点。
Jeffrey Passel, a demographer at the Pew Hispanic Centre, estimates that the number of illegal immigrants in America fell by 500,000 between 2007 and 2008.
皮尤西班牙裔研究中心(Pew Hispanic Centre)的人口学家杰弗里•帕赛尔(JeffreyPassel)预计2007至2008年间美国非法移民的数量下降了50万人。
The effects of the policy are debated, but for a leading Chinese demographer, the policy had postponed the arrival of the world population of 7 billion by at least five years.
这个政策的影响是受争议的，但是对于中国一名主要的人口统计学家来说，该政策使世界人口达到70亿推迟了5年才到来。
Now that preliminary results from both the Indian and Chinese censuses have come out, Census Bureau demographer Daniel Goodkind wrote in ane-mail, those projections "hold up fairly well."
在中印双方的初步数据都统计出来后，人口普查局的人口学家丹尼尔•古德坎（DanielGoodkind）在e-mail中写道，这些预测“相当准确”。
Now that preliminary results from both the Indian and Chinese censuses have come out, Census Bureau demographer Daniel Goodkind wrote in ane-mail, those projections "hold up fairly well."
在中印双方的初步数据都统计出来后，人口普查局的人口学家丹尼尔•古德坎（DanielGoodkind）在e-mail中写道，这些预测“相当准确”。
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