Resource optimum population size don't occur drastically change with the passage of time, but economic optimum population size keep constantly increasing.
资源适度人口容量没有随着时间的推移而发生急剧地变化，经济适度人口容量却在不断地增加。
Resource optimum population size don't occur drastically change with the passage of time, but economic optimum population size keep constantly increasing.
资源适度人口容量没有随着时间的推移而发生急剧地变化，经济适度人口容量却在不断地增加。
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