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population theories
相关语句
  人口理论
     The Classroom Teaching of Population Theories
     关于人口理论课课堂教学
短句来源
     This paper demonstrates the necessity of strengthening the teaching and research of population theories in government officials' school, its content and methods.
     本文在论述加强党校人口理论教研工作的必要性的基础上 ,论述了党校人口理论教研的内容、方法。
短句来源
     The article explained the cognition and practice of pursuing perfect teaching effect in classroom teaching of population theories .
     本文阐述了在人口理论课教学中追求完美教学效果的认识和实践.
短句来源
     Modern enlightenment thinker, Yan Fu, after studying the issue of overpopulation in modern China and deriving the advanced western economic and population theories, set forth his opinion on population in terms of the quantity and quality, thus forming his particular thoughts on population.
     近代启蒙思想家严复 ,面对中国近代人口过庶的社会问题 ,汲取西方先进的经济理论与人口理论 ,从人口数量与人口质量方面阐明了自己的人口主张与解决问题的方法 ,形成了自己独特的人口思想
短句来源
     Thoughts of Current Studies on Population Theories in China
     关于当前我国人口理论研究的思考
短句来源
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  “population theories”译为未确定词的双语例句
     Modern population theories have approved that the population development has profound influences on five aspects of social production, employment, population and economic investment,distribution of natonal income and consumption.
     人口的发展对社会生产、劳动就业、人口投资和经济技术投资、国民收入及其分配、交换和消费等方面均有深刻的影响。
短句来源
     As a result I advise to use the Marxist sustainable development theory as the basic one of population theories .
     为此,建议以马克思主义生产力理论其中要高扬“可持续发展”意蕴作为人口基础理论。
短句来源
     The author presents the rational expectation theory of low fertility after analyzing the theories of low fertility and rational expectation,and holds that the theory can be combined with main stream of population theories,and then by the new one the cause of low fertility situation may be explained in China The theory is important for improvement of our countrys population policy and the making of population strategy
     作者在分析了国内外低生育理论和预期理论之后 ,提出了低生育理性预期理论 ,认为它能够和人口学理论的主流相结合 ,解释我国的低生育状况的原因。 我国人口政策的发展与完善 ,人口发展战略的制定 ,都要重视这个理论。
短句来源
  相似匹配句对
     Yan Fu's Theories of Population
     试论严复的人口思想
短句来源
     The Classroom Teaching of Population Theories
     关于人口理论课课堂教学
短句来源
     theories research;
     理论研究;
短句来源
     In small population?
     大群体中则稳定下降、波动较小。
短句来源
     theories of Selection;
     选择论;
短句来源
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  population theories
Perspective of practical biological control and population theories
      


Abstract In this paper the mathematical model of disabled populations is constructed.The whole population is devided into two groups the normal population and the disabled population.Continuous density distribution functions of these two population groups are introduced.The mathematical model is formulated according to the population theory and the characteristics of the disabled population.The model can be used to study the development and the welfare of the disabled...

Abstract In this paper the mathematical model of disabled populations is constructed.The whole population is devided into two groups the normal population and the disabled population.Continuous density distribution functions of these two population groups are introduced.The mathematical model is formulated according to the population theory and the characteristics of the disabled population.The model can be used to study the development and the welfare of the disabled population

本文在视正常人口群体与残疾人口群体各为一整体时,引入了一组密度分布函数,按照人口学原理与建立数学模型的一般方法,得到了残疾人口系统的连续发展模型,从控制论的观点看,所得模型为一闭环控制系统。该模型的建立为进一步研究残疾人口的发展规律及其控制问题提供了一条新途径。

On issuing No. 100 of the journal of Population Research, the editorial board has organized this Population and Development Forum to make a review and prospect of research in China on population theory in general and on the two kinds of production theory in particular. Setting up and development of Population Research has accompanied that of demography in China, and the two kinds of production theory has been the fundamental basis of population studies in China.The two...

On issuing No. 100 of the journal of Population Research, the editorial board has organized this Population and Development Forum to make a review and prospect of research in China on population theory in general and on the two kinds of production theory in particular. Setting up and development of Population Research has accompanied that of demography in China, and the two kinds of production theory has been the fundamental basis of population studies in China.The two kinds of production theory has played a decisive role in development of population theory in China. What remains fresh in our memory is the fact the two kinds of production theory provided a guiding principle in launching and implementing China's family planning program through its full and systematic explanation and justification of the necessity of carrying out the family planning program. without the two kinds of production theory there would be no the mighty family planning campaign in China.China is now entering a time of socialist market economy, and it seems that the principle embodies the two kinds of production theory that the material production is planned, so population production should also be planned tends to go contrary to the new situation and may step down from the stage of history. A reconsideration and discussion on the two kinds of production theory reached a high tide just three years ago when the market economy in China was started. At the center of pre-coccupation have been what role the two kinds of production theory may play under the new situation, how to develop an alternative theory, and what is the theoretical basis for family planning in the context of market economy?This issue of "population and Development Forum" attempts to continue and deepen this debate over the two kinds of production theory.Zhang Fan, professor from the Institute of population Research, People' s University of China, reviews the mass debate over the Marxist two kinds of production theory at late 70s and early 80s, as well as the theory' s guiding role in development of our family planning cause. Wu Zhongguan, professor from population Institute of South-west college of Finance and Economics, and Liu Gengchang and Xu Yanbin, lecturers from Taian Population Technical School under the State Family Planning Commission, takes a look at the relationship between the two kinds of production theory and China's demography, while Zhang Chunyuan professor, and Lu Jiehua, doctoral candidate, from Population Institute of Beijing University, and Chen Jian, researcher from Population Institute of Chinese Academy of Social Sciences, discusses the historical role of the two kinds of production theory and its enlightenments to research on sustainable development.

在本刊出版发行100期和中国新时期的人口学开始走向成熟之即,我们来对中国人口理论研究进行一番回顾与展望,特别是对两种生产理论进行一次再认识,就显得别有一番意义。本刊的创建与发展伴随着中国人口学的恢复、创建与发展,而两种生产理论又是这种人口学的重要理论基础,或者说它是我国人口学的重要组成部分,因此,今天对它进行一次再认识,这本身就是对中国人口学理论的创立和发展的一种很好的纪念。 在中国近20几年人口学理论的发展进程中,两种生产理论确实起到了举足轻重的作用。令当今老一代人口学者记忆犹新的是,70年代初期我国全面开展计划生育工作时,马克思主义的两种生产理论对于指导实践和宣传群众起到了何等重要的作用。从这一点我们可以说,没有两种生产理论也就没有我国轰轰烈烈的计划生育实践。我们正是通过这一理论,系统、充分地解释和宣传了计划生育的必要性,坚定了我们实行计划生育的信念和自觉性。因此,两种生产理论应该以其巨大的历史功绩被载入中国计划生育和现代人口学的史册。然而,时至今日,中国社会已经进入了社会主义市场经济的新时代。那么,两种生产理论所包含的关于“物质生产的有计划性就决定了人的生产也是有计划的”这一基本观点似乎已经不适应今天...

在本刊出版发行100期和中国新时期的人口学开始走向成熟之即,我们来对中国人口理论研究进行一番回顾与展望,特别是对两种生产理论进行一次再认识,就显得别有一番意义。本刊的创建与发展伴随着中国人口学的恢复、创建与发展,而两种生产理论又是这种人口学的重要理论基础,或者说它是我国人口学的重要组成部分,因此,今天对它进行一次再认识,这本身就是对中国人口学理论的创立和发展的一种很好的纪念。 在中国近20几年人口学理论的发展进程中,两种生产理论确实起到了举足轻重的作用。令当今老一代人口学者记忆犹新的是,70年代初期我国全面开展计划生育工作时,马克思主义的两种生产理论对于指导实践和宣传群众起到了何等重要的作用。从这一点我们可以说,没有两种生产理论也就没有我国轰轰烈烈的计划生育实践。我们正是通过这一理论,系统、充分地解释和宣传了计划生育的必要性,坚定了我们实行计划生育的信念和自觉性。因此,两种生产理论应该以其巨大的历史功绩被载入中国计划生育和现代人口学的史册。然而,时至今日,中国社会已经进入了社会主义市场经济的新时代。那么,两种生产理论所包含的关于“物质生产的有计划性就决定了人的生产也是有计划的”这一基本观点似乎已经不适应今天的社会形势而应该退出历史舞

Based on the modular organism population theory and on its two levels was analyzed the population density of young Bashania fangiona after natural regeneration in the Giant panda's habitat of Wolong Nature Reserve.The result showed that the genet population density of B.fangiana was 25.1 genet/m2 on average,and the population density of next year of the dead bamboos after flowering in 1983 was smaller than that of the third year's.AS the period for being dead after flowering extended,the...

Based on the modular organism population theory and on its two levels was analyzed the population density of young Bashania fangiona after natural regeneration in the Giant panda's habitat of Wolong Nature Reserve.The result showed that the genet population density of B.fangiana was 25.1 genet/m2 on average,and the population density of next year of the dead bamboos after flowering in 1983 was smaller than that of the third year's.AS the period for being dead after flowering extended,the population density. reduced.The clonal population density of B. fangiana was 94.4 cumls/m2,and the ordination of different ages was as follows:three-year bamboos>four-year ones>five-year ones>two-year ones>one-year ones>six-year ones>seven-year ones>eight-year ones>nine-year ones>ten-year ones, and meanwhile a discussion was carried on the effect of different vegetation types and altitudes on the genet and clonal populati ondensity of B. fangiana. The genet and clonal population densities are as follows: Abies faxoniana-B. fangiana forest>Tusga chinensis+Betula utilis-B.fangiana forest>T.chinensis+B.albosinensis-B.fangiana forest.The natural regeneration of young B.fangiana bamboos increased with the altitude,although the change in each gradient was comparatively small.The population densitiesin different ages presented variable curves similar to vegetation classification types.

应用构件生物种群理论,从构件生物的两个水平研究了卧龙自然保护区大熊猫栖息地内冷箭竹幼龄种群自然更新密度特征,结果表明:①冷箭竹幼龄种群的基株(竹丛)种群密度为25.1基株/m2,1983年开花枯死竹林次年萌发幼苗的种群密度低于第3年的幼苗种群密度,随开花枯死年限的延长,种群密度逐渐降低;②冷箭竹克隆种群密度平均为94.4株/m2,各龄级的排序为3年生>4年生>5年生>2年生>1年生>6年生>7年生>8年生>9年生>10年生;③探讨了不同植被类型和海拔高度对冷箭竹幼龄林的基株和克隆种群密度的影响,基株和克隆种群密度均为“岷江冷杉—冷箭竹林”>“铁杉+糙皮样-冷箭竹林”>“铁杉+红样-冷箭竹林”;④冷箭竹的自然更新随着海拔高度的上升而递增,但变化梯度较小,不同龄级的种群密度呈现出与植被类型相似的变化曲线。

 
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