internal migration
短语词组
- Internal Natural Migration 內部自然運移
- internal population migration 國內人口遷移
- internal and international migration 國內和國際移徙
- internal migration factor 內部遷移因子
- Internal Migration and Education 內部遷移和教育
- Minority Internal Migration in Europe 歐洲的少數人口的國內遷移 返回 internal migration