Population Migration Model 人口流动模型
urban population migration 城市人口迁移
Population Migration Algorithm 人口迁移算法
Military Population Migration 军事人口迁移
population migration study 人口迁移研究
inward population migration 人口内迁
population migration history 人口迁移史
The rural - urban population migration is one important way to impel population urbanization development; the institutional and political factors have the important influence on it.
乡城人口迁移是推动人口城镇化发展的重要途径之一,制度政策因素对其产生重要影响。
参考来源 - 我国人口城镇化演变的制度分析与城乡关系转型Population migration increase the chance of city labor supplier, also can substitute citizens labor supplier covering about 7% only.
6人口迁移流动增加城镇劳动力供给，也对城镇本地人口劳动参与产生一定的替代作用，但替代率只有7％左右。
参考来源 - 转型时期中国城镇劳动供给影响因素研究Part One: The course of the population migration.
第一部分：人口流动迁徙的原因。
参考来源 - 春秋时期人口流动迁徙问题研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
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。
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。
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