“spontaneous population migration”的概念、定义、翻译、参考文献-科学参考

单词	spontaneous population migration
释义	spontaneous population migration Encyclopedia 法学自发型人口迁移释 spontaneous population migration自发型人口迁移个人或家庭为实现某种目的或受某种因素影响，基于个人意愿而自发形成的人口迁移类型。
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