| 1. | A neural - network based forecast for aging population trend in china 基于神经网络的我国人口老龄化趋势预测 |
| 2. | Population reference bureau ? dedicated to providing timely and objective information on u . s . and international population trends 人品参考资料局?关于美国的信息和国际人口倾向。 |
| 3. | 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。 |
| 4. | One demographer * has said the 300 millionth person would most 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。 |
| 5. | " the needs of the elderly and providing for secure , happy senior years are concerns for all of us as hong kong faces an aging population trend 刘氏补充:本港人口逐渐老化,长者的需要及退休后的生活保障更受各界人士关注。 |
| 6. | One demographer has said the 300 millionth person would likely be a latino boy given current u . s . population trends . others said it could even be an immigrant 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。 |
| 7. | The the generation survival rate , fecundity and population trend index attained their respective maximun values at 26 . in the tested temperature range , both intrinsic rate of increase ( rm ) and finite rate of 在5个温度条件下,内禀增长力( rm )和周限增长速率( )均随温度的升高而增大,至34时最大,分别为0 . 175和1 . 191 。 |
| 8. | The paper is divided into three sector : in the first sector , base on cohort - component method and via quantitative analysis and qualitative analysis to matter of fact , the paper imports several variable : accelerating function of survival rate , correct children women ratio , proportion of infants , and establish correct cohort - component method . in the second sector , base on several hypothesis , zhejiang province population forecasts are made by correct cohort - component method , and population composing are presented in the future . in the third sector , base on results of zhejiang province population forecasts , the paper discusses change trend of mainly population index in the 21 century , and analyzes how population trend effects development of society and economy 本文分三部分进行:第一部分,在队列要素法的基础上,通过对实际情况的定量分析与定性分析,在模型中引入了以下变量:生存概率加速函数、修正儿童妇女比、幼儿性别比,建立了修正队列要素法模型;第二部分,在几个重要假设的基础上,根据修正队列要素法进行浙江省未来五十年人口预测,给出了各预测年份分性别年龄的人口构成情况;第三部分,是在上述预测结果的基础上,对21世纪前半叶浙江省的主要人口指标的变化趋势进行讨论,并对浙江省的总的人口变动趋势及其对社会经济发展影响进行分析。 |
| 9. | Why they have chosen to live in the mainland , the reasons and frequency of returning to hong kong and their aspirations for facility provision , etc . we will also further explore whether our planning standards need amendments , in terms of the provision of various community facilities , in response to the mobile population trend 为了解本港市民在珠江三角洲居留的情形及其对内地生活的期望,我们在珠江三角洲己展开问卷调查。我们亦将进一步研究是否需要修订有关提供社区设施的规划标准,以应付日趋流动的人口。 |
| 10. | Based on the full prediction of beijing ' s future population trends , this paper forecasts , using education life table , various indices of beijing ' s future education at different levels , such as gross enrollment rate and combines the result of population prediction to predict beijing ' s education demand at different levels 摘要文章在对北京市未来人口趋势作充分预测的基础上,采用教育生命表技术估计北京市未来各级教育毛入学率等指标,结合人口预测结果预测未来北京市各级教育的需求。 |