翟振武根据世界人口8000万左右的年增长率得出了该结论。

Zhai came to this conclusion on the basis of the average annual growth of the world's population of around 80 million.

youdao

翟振武根据世界人口8000万左右的年增长率得出了该结论。

Zhai came to this conclusion on the basis of the average annual growth of the world's population of around 80 million.

youdao