人口统计学家

Construction sites and meat-packing plants there used to recruit many Hispanic labourers from California and other American states, says Jeffrey Passel, a demographer at the Pew Hispanic Centre.

皮优拉美裔研究中心的人口统计学家杰弗里·帕塞尔说：过去这儿的建筑工地和肉类加工厂常常会从加州和美国其他州招募许多西班牙雇工。

In the diffusion phase, the United States biologists and demographers R.

在扩散阶段，美国生物学家和人口统计学家R。

Demographers have been tracking this now for forty years, and it is a well-established observation: people in good marriages lead healthier lives.

人口统计学家已经就这个研究了四十年了，现在有个得到了确认的观测结论：婚姻美满的人活得更健康。

Demographers have been tracking this now for forty years, and it is a well-established observation: people in good marriages lead healthier lives.

至今为止，人口统计学家已经研究了40年，且具有很好的调查基础：婚姻美满的人身体更健康。

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 Japan might have more success if they also encourage more Japanese men to come home and do the dishes.

人口统计学家说，如果日本还能鼓励更多男人在家做家务的话，鼓励生育的工作可能会取得更大成功。

Demographers consider the "natural" ratio at birth to be about 960 females per 1,000 males.

人口统计学家认为&自然的&出生率应该是每出生1000个男婴约有960个女婴出生。

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。

Sociologists and demographers have discovered that couples who have at least one son face significantly less risk of divorce than couples who have only daughters.

社会学家和人口统计学家已经发现那些有至少一个儿子的夫妇们面临的离婚风险要比那些光有女儿的夫妇离婚风险更低。

Maryland, Mississippi, Georgia, New York and Arizona - each with minority populations of about 40%- are next in line, according to the study of state and county population estimates by race and Hispanic origin.

华盛顿布鲁金斯学会的人口统计学家威廉·弗雷认为，立法者应尽力提高少数族裔的受教育和工资水平，同时还应在外来移民管理方面做出相应的改革。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。