Study on urban population migration models.

城镇人口迁移模式研究。

youdao

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。

youdao

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。

youdao

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