新形势下的城市人口迁居的原因、特征、模式与历史有所不同。

Under the new situation, urban population moves' reason, characteristic, mode are different from before.

youdao

新形势下的城市人口迁居的原因、特征、模式与历史有所不同。

Under the new situation, urban population moves' reason, characteristic, mode are different from before.

youdao