美国不同类型R&D投入对生产率的影响及对中国的启示

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1003-4161|volume|1|156-161

ISSN: 1003-4161

Source: 开发研究, Vol.volume, Iss.1, 2016-01, pp. : 156-161

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Abstract