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proportional relations among primary industry,secondary industry and tertiary industry
释义
proportional relations among primary industry,secondary industry and tertiary industry
Encyclopedia
经济学
经济比例关系
释
proportional relations among primary industry,secondary industry and tertiary industry
三次产业比例
第一产业、第二产业与第三产业分别占一国或一个地区生产总值的比重。
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