是指人口在地理空间上的位置变动，包括为经济、娱乐等目的而暂时离开居住地的人口位置变动和以寻求新居住地为目的的非暂时性人口移动。影响人口迁移的因素有两大类：一类是因环境的变化而产生的刺激因素，另一类是个人动机变化产生的因素。
从对热点人口的分析来看，非洲板块似乎是静止的，在过去的3000万年里它没有移动过。
From an analysis of the hot-spot population it appears that the African plate is stationary and that it has not moved during the past 30 million years.
从对热点人口的分析来看，非洲板块似乎是静止的，在过去的3000万年里它没有移动过。
From an analysis of the hot-spot population it appears that the African plate is stationary and that it has not moved during the past 30 million years.
他关于人口增长放缓、移动电话和身高增加的预测都很接近事实。
His predictions about slowing population growth, mobile phones and increasing height were close to the mark.
应用推荐