查询词典 demographer

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。

Preston, a demographer at the University of Pennsylvania who is among the leading experts on mortality rates from disease.

他说："美国实际上在重大疾病的诊断和治疗方面做得相当不错，世界各国间的对比不能说明我们处境悲惨。"

China's unbalanced sex ratio may cause serious consequences as millions of men will be unlikely to find their spouses around 2020, said a Chinese demographer.

中国不平衡的性别比率也许会导致一系列问题，到2020年左右，将可能会有数百万的男性找不到他们的配偶，一位中国人口统计学家说。

"It really raises the question of what should be considered normal ageing," says Kenneth Manton, a demographer from DukeUniversity in North Carolina.

"这真的引起的问题是什么，应该认为是正常的老化，说："丁 manton ，人口统计学家，由杜克大学，在北卡罗来纳州。

"It's a triple time bomb," says University of Lisbon demographer Nuno da Costa.

里斯本大学的人口统计学家Nuno da Costa说「这是三倍的炸弹，太少的小孩及太多的老人及太多年青人仍要离开的乡村

This was the grim fact identified by Thomas Malthus, an English demographer, that a country's economic potential was limited by its food supply.

这就是英国人口学家马尔萨斯发现的可怕事实：一国的食物供应限制了其经济发展之潜力。

"China's resources and environment cannot sustain natural population growth without administrative intervention," said Hou Dongmin, a demographer at Renmin University of China in Beijing.

计生委副主任赵白鸽在1月15日在新闻发布会上表示："中国的计划生育政策不是强迫性的，人们是在自愿的基础上实施计划生育的。"

America's suburbs are becoming much more diverse places, with more ethnic minorities, more people with degrees and more gays, according to Gary Gates, a demographer at the University of California, Los Angeles.

据洛杉矶加利福尼亚大学的人口统计学家加里·盖茨的看法，美国的郊区正变成得更加多样化，有更多的少数族裔，有更多有学位的人，还有更多的同性恋。

At the dawn of the Industrial Revolution in the late 1700s, English demographer Thomas Malthus foresaw problems with growth.

80，18 世纪晚期正值工业革命伊始之时，英国人口学家托马斯马尔萨斯就预见到了人口增长所带来的问题。

Demographer Richard Lee of the Universiy of California at Berkley says this aging of the world has a significant impact on economies.

来自 Berkley 加利福尼亚大学的人口统计学家 Richard Lee 说，世界人口老龄化对经济产生深远影响。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。