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population problem
相关语句
  人口问题
     The author holds that the hot spot in demographic research mainly focuses on ageing population problem, reproductive health, population and sustainable development, family demography, applied demography and so on, especially the application of methodology of those new and rising subjects to demography.
     目前国内外人口学研究的热点主要有人口老龄化问题、生殖健康、人口与持续发展、家庭人口学、实用人口学、人口信息现代化、贫困人口问题、人口的流迁( 城市化) 、女性人口与发展、少儿人口与发展、少数民族研究、混沌学耗散学协同学等新兴学科的方法论在人口学中的应用等
短句来源
     Population Problem in Nepal
     谈谈尼泊尔人口问题
短句来源
     Analysis of the Main Population Problem of Guizhou Province
     贵州省人口问题主要矛盾分析
短句来源
     Population Problem and the Development of Economy Concerned with Japan in Twenty-first Century
     21世纪日本人口问题与经济发展
短句来源
     Rural Population Problem and Sustainable Development in China
     中国农村人口问题与中国可持续发展
短句来源
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  “population problem”译为未确定词的双语例句
     On the Prediction and Control of Population Problem
     关于人口预测与控制问题
短句来源
     The fifth part give a example of class teaching about mathematical modeling for population problem.
     第五部分,人口模型的电教课例教学的目的是为了帮助学生熟悉统计分析法建模的过程,了解计算机在建模中所起的作用,了解预测人口的实际意义。
短句来源
     Based on this study, it can be concluded that the modern geomorphological theory and methods supported by “3S” techniques including GIS, RS and GPS will play an important role in resolving the environment, resources and population problem and sustainable development which humankind is facing at present.
     通过本次研究和实例分析可知,以“3S”技术支撑的现代地貌学理论和方法可在解决人类当前面临的资源环境问题与可持续发展方面发挥重要的基础作用。
短句来源
     These results may provide a strict theoretical basis for the practical research of the population problem.
     其结果可为种群问题的实际研究提供严格的理论基础
短句来源
     A static CGE model is constructed and applied to simulate the aging population problem and analyze it in contrast between 2000 and 2050. An overlapping generations model (OLG) are integrated in this CGE model to describe the consumers' behaviors.
     本文建造了一个静态CGE模型,采用比较静态分析的方法,对人口老龄化的问题进行了实证模拟。 本文在CGE模型中整合了跨际迭代模型(overlapping generations),来描述消费者的行为。
短句来源
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  相似匹配句对
     THE PROBLEM OF POPULATION CONTROL
     人口控制
短句来源
     Population Problem in Nepal
     谈谈尼泊尔人口问题
短句来源
     problem.
     潮滩环境问题越来越多元化、复杂化。
短句来源
     On Problem
     问题论
短句来源
     ⑤population;
     ⑤人口的变化;
短句来源
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  population problem
A number of factors associated with Aboriginal population problem and pathological gambling were identified.
      
A number of decisive events, as well as changing views of the population problem, characterise each period and have affected the sums of population assistance from donor nations.
      
The principal aim of this study is to apply a joint- or couple-model to the analysis of one such population problem in order to illustrate the potential avenues that emerge when the input of male spouses is considered.
      
First, it is now too late to "solve" the world's population problem.
      
It is sometimes said that there is no population problem in the United States because the U.S.
      
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Population problem has an important bearing on the development of rural

本文认为忠县人口状态介于增长型与稳定型之间,但偏于增长型。文章采用“乐享法”和“梁垛法”结合模式及推算人口所使用的各类参数,应用年龄移算法,通过平均尚存率推算未来时期进入婚龄的妇女人数;根据控制要求和预测模式进行了人口预测和劳力预测,并提出了人口规划的四种方案及规划意见,论述了提高人口质量和实现规划的措施。

Nujiang Lisu nationality antonomous region, Yunnan, is the ethical prefecture where people live in adject poverty. Based on serious study and proper understanding of current open policy and economic reform, this paper describes the guiding thought to economic development, strategic model of exploiting natural resources and breaking away from poverty; demonstrates the strategic targets, steps and important strategic points. In terms of industrial structure, there are three major industries including nonferrous...

Nujiang Lisu nationality antonomous region, Yunnan, is the ethical prefecture where people live in adject poverty. Based on serious study and proper understanding of current open policy and economic reform, this paper describes the guiding thought to economic development, strategic model of exploiting natural resources and breaking away from poverty; demonstrates the strategic targets, steps and important strategic points. In terms of industrial structure, there are three major industries including nonferrous metals industry dominated by Lead and Zinc, marble products as the main of building material industry, as well as, forest products as the first of comprehensive developing biological resources. In order to realize the strategic targets, this paper appeals for more efforts to develop science, technology and education: to improve transportation, to solve energy problem, to activate currency circulation; never slacken food production, to handle population problem with discretion; to pay more attention to water and soil conservation, to maintain ecological balance and to adapt special policy and flexible measures etc.

怒江傈僳族自治州是云南省最贫困的民族自治州。本文在认真分析、正确认识州情和改革开放形势的前提下,提出经济发展的指导思想和资源开发脱贫型的战略模式,制定了战略目标、战略步骤和战略重点。在产业结构方面,确定以铅锌为主的有色金属工业,以大理石为主的建材工业,以林副产品为主的生物资源综合开发作为三大主导产业。为保证战略目标的实现,提出重视科学技术和教育事业;改善交通、解决能源、搞活流通:绝不放松粮食生产,慎重解决人口问题;高度重视水土保持,维持生态平衡;采取特殊政策和灵活措施等。

The existence and the uniqueness of the generalized global solutions and the classical global solutions of the periodic boundary problem and the initial value problem for a generalized diffusion model in population problems and the existence and the uniqueness of the generalized global soiubtions of the first boundary value problem and another initial—boundary value problems are prved by Leray—Schauder's fixed—point argument and Sobolev's estimates.

本文应用Leray-Schauder不动点原理和Sobolev估计,证明了人口问题中一广义扩散模型的周期边值问题和初值问题整体广义解和整体古典解的存在性和唯一性,以及证明了第一边值问题和其它初边值问题整体广义解的存在性和唯一性.

 
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