The strong relationship between kinship and fertility was so unexpected that the researchers have not yet calculated exactly how much it contributes to the demographic transition.
血缘和生育之间牢固的关系如此神秘莫测，这使得研究者目前还无法准确计算出这一关系对人口结构转化的影响。
The strong relationship between kinship and fertility was so unexpected that the researchers have not yet calculated exactly how much it contributes to the demographic transition.
血缘和生育之间牢固的关系如此神秘莫测，这使得研究者目前还无法准确计算出这一关系对人口结构转化的影响。
应用推荐