Warning: file_put_contents(): Only 0 of 4902 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 demographist例句_demographist英汉例句_demographist双解例句_沉淀汉英词典
It is concerned that the problem of population carrying capacity and demographist had proposed the different maximum of the population carrying capacity. 摘要對於地球的人口容量問題，人口學者曾做過許多嘗試，竝提出了不同版本的人口容量闕值。