金砖国家高技术产品出口的技术特征及演化趋势预测

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1001-148x|volume|1|84-90

ISSN: 1001-148x

Source: 商业研究, Vol.volume, Iss.1, 2017-01, pp. : 84-90

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Abstract