In the great context of urbanization, the mobility and migration of population have exercised great influences on people in their linguistic and psychological development in the host city.

在当前我国城市化进程日益加快的环境下，人口的流动和迁移对人们的语言使用及心理都有着巨大的影响。

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Based on migration of population and change of administrative area and geographical environment of islands etc, the thesis analyzes the distribution characteristics and the shaping of dialect.

文中从人口迁移、行政区的变动和海岛的地理环境等方面，对方言的分布特征与形成条件进行了分析研究。

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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。

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At the time of this "Great Migration" over 80 percent of the Puerto Rican population in the United States lived in New York City.

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Recent conflicts and rural to urban migration that reduced the population of the region and changes in ways of life have caused a sharp decrease in the number of performers, resulting in the loss of many archaic styles and genres of solo singing.

UNESCO: CULTURE

Thanks to a combination of in-migration and people not leaving when they retire, the population of over-65s in the district has increased from 14, 500 to 19, 600 since 2001.

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