Warning: file_put_contents(/www/wwwroot/ppbbbu/5356789.com/cache/7e92045fbcdd38f7cb507b8cf4694228.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/5356789.com/index.php on line 55 demographist例句_demographist英汉例句_demographist双解例句_零六五六深蓝词典
It is concerned that the problem of population carrying capacity and demographist had proposed the different maximum of the population carrying capacity. 摘要对于地球的人口容量问题，人口学者曾做过许多尝试，并提出了不同版本的人口容量阙值。