theory of optimum population

常見例句

雙語例句

• Contemporary theory of economic optimum population formed in early economic optimum population.
  現(xiàn)代經(jīng)濟(jì)適度人口學(xué)說是從早期經(jīng)濟(jì)適度人口學(xué)說的發(fā)展而來的。
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