swine repopulation

例句：

1. 1. The government has decided to implement a policy of repopulation in the rural areas.
   政府决定在农村地区实施一项重新定居政策。
2. 2. The repopulation of the city has brought about significant changes in its social structure.
   城市的人口再增长带来了社会结构的重大变化。
3. 3. The new policy aims to encourage more people to move to the countryside for repopulation.
   新政策旨在鼓励更多人迁往乡村进行重新定居。