Study on urban population migration models.
城镇人口迁移模式研究。
The then population migration caused many social problems.
当时的人口迁移遗留下了不少社会问题。
The basic theory of urban population migration is the same as that of population migration.
城镇人口迁移是从城镇的角度去研究人口迁移，人口迁移的基础理论也是它的基础理论。
The result shows that population migration is closely associated with the rural industrial structure.
结论是：人口流动与农村各层次产业结构间具有较高的相关性。
It suggests that the population migration economical growth mod - el could interpret regional economical growth differences.
人口迁移的经济增长模型解释了地区间经济增长差异的原因。
These conditions are most prevalent in tropical regions; however population migration has spread these diseases to most countries.
这些病症在热带地区最为普遍；不过，随着人口迁移，这些疾病已传播到大多数国家。
Problem of migrant children's education in China arise in the process of rapid urbanization and large scale population migration.
中国流动儿童的教育问题发生在城市化进程及由此带来的大规模人口流动中。
The population migration and floating are a kind of complicated human phenomenon. This phenomenon exerts wide effect on social life.
人口流动和迁移是一种复杂的人文现象，对社会生活具有广泛的影响。
Thus studying the real circumstances of Shandong provincial urban population migration possesses the important reality guidance meaning.
因而，研究山东省城镇人口迁移的实际情况具有重要的现实意义。
This paper gives a rather detailed analysis on population migration and floating in Shen-zhen and studies some problems arising from them.
本文对深圳市人口迁移和流动的特点作了较详尽的分析、同时也探讨了近年来在深圳市的迁移人口和流动人口中出现的一些问题。
The researchers compared the resulting population migration to the mass movement of African Americans northward at the end of the Civil War.
研究者们比较随之而来的人口迁移与内战结束后非裔美国人向北大规模移动。
The population migration in France from 19th century to the beginning of 20th century includes the domestic migration and the international migration.
19世纪至20世纪初法国的人口迁移包括国内人口迁移和国际人口迁移。
From the endogenesis population migration model, we also implement the empirical analysis of interprovincial human capital migration on economic growth effect.
第三，以人口迁移为指标，基于内生人口迁移模型，对各省区省际人力资本迁移的增长效应进行了实证分析。
This is a period of history that should not be forgotten, and is a subject that can't be neglected in population migration history of the 20th century as well.
这是一段不应忘记的历史，也是20世纪人口迁移史上一个不可忽略的课题。
On the other hand, the population migration affects the spatial structure of intraregional economic, social and other elements and changes in industrial distribution.
另一方面，人口的迁移变动也影响着区域内部经济、社会等各种要素结构和布局的变化。
Project aims: It is particularly important to improve the quality of living in the rural areas in order to counteract the continuing population migration to the cities.
项目目标：提高农村地区的生活质量对抑制持续的人口城市化现象非常重要。
Shanghai is an important exit - entry place of international population migration in our country, representing the international migration of our country to a certain extent.
上海是我国人口国际迁移的重要进出地，一定程度上代表了我国国际迁移的情况。
By introduction of the ideology of population migration, the M-PSO algorithm keeps the convergence and has good performance such as optimization velocity and optimization results.
通过引入人口迁移的思想，在保证算法收敛性的同时，使M - PSO算法具有良好的优化速度和优化效果。
Through the study of how to make the smalltowns attractive enough in planning and strategy practices, we could alleviatemultiple pressures brought by population migration to large cities.
通过研究如何使小城镇在规划和战略上有足够吸引力，我们可以缓解因人口迁移到大城市带来的多重压力。
The rural labor migration has the important practical significance for the new countryside construction, but the disorderly and unlimited population migration may bring many social questions.
农村劳动力转移对于“新农村建设”具有重要现实意义，但不受限制、无序的人口向城市流动也会带来许多城市问题和社会问题。
The convergence property and dynamic characteristics of the newly proposed population migration algorithm for solving global function optimization problems are analyzed by means of probability.
用概率论分析了新提出的求解函数全局优化问题的人口迁移算法的收敛性及动态特性。
Using logical analysis and empirical test, this paper divides the rural industrial structure into three levels and analyses the impact of population migration on the rural industrial structure.
文章将农村产业结构分为三个层次，通过逻辑分析和实证检验探讨了人口流动对各层次产业结构的影响。
But small towns not only carry on the extensive economic development, and small towns split flow external migration of rural population, objectively delay the urbanization of population migration.
但小城镇不仅承接了粗放的经济增长方式，而且小城镇分流了外迁农业人口，客观上推迟了人口迁移的城市化。
On the basis of Chinese practice, the article discusses the social drive force of floating population migration from the factor of immigratory place, migratory place, region, medium and individual.
作者结合中国的实际情况，从流出地、流入地、区域综合、介质、个体等因素角度，探讨了流动人口产生的社会驱动力；
Population migration rates and net migration rate have relatively clear role on guidance, population migration can be considered the external guidance to the information flow of mobile communication;
人口迁入率和净迁移率的导引作用相对明显，人口迁移可以认为是对移动通信信息流动的外部导引；
Additional social stresses may also occur because of the population explosion or problems arising from mass migration movements—themselves made relatively easy nowadays by modern means of transport.
由于人口的猛增或大量人口流动（现代交通工具使这种流动相对容易）造成的种种问题也会对社会造成新的压力。
Their migration may have been set in motion by an increase in population caused by a movement of peoples fleeing the desiccation, or drying up, of the Sahara.
他们的迁徙可能是人口增加引起的，这一人口增长是由人们逃离撒哈拉沙漠的干燥或干涸的迁移造成的。
When the lemmings' food supply becomes too low to support the population, a singular migration commences.
当旅鼠的食物供应不足以维持种群时，一次特别的迁徙就开始了。
However, when the lemmings' food supply becomes too low to support the population, a singular migration commences.
然而，当旅鼠的食物供应变得太少而无法维持种群时，一次特别的迁徙就开始了。
However, when the lemmings' food supply becomes too low to support the population, a singular migration commences.
然而，当旅鼠的食物供应变得太少而无法维持种群时，一次特别的迁徙就开始了。
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