美国新兴农业技术投资与推广
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1002-4433|volume|1|5-10
ISSN: 1002-4433
Source: 世界农业, Vol.volume, Iss.1, 2015-01, pp. : 5-10
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Abstract