封闭式人口,封闭性人口
词语: 封闭式人口,封闭性人口
解释: closed population
词典: 贸易专业汉英词典
封闭式人口,封闭性人口 相关解释
closed population 〔名词〕封闭性人口
closed population 封闭式人口,封闭性人口
closed population 闭塞群
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