population movement meaning in English
人口流动；人口移动
人口迁移
Examples
- Urban social security system under population movement
人口流动下的城乡社会保障制度 - Railway development and modern population movement
铁路发展与近代人口流动 - The administration of census register and population movement in ancient china
中国古代的人口流动与户籍管理 - " this is particularly important regarding the population movement and the protection of the environment
杨教授说：对于人口流动及环境保护方面的研究尤为重要。