demographist

常見(jiàn)例句

• 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(duì)於地球的人口容量問(wèn)題，人口學(xué)者曾做過(guò)許多嘗試，竝提出了不同版本的人口容量闕值。
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