美国农业信息化对河南省农业信息化的借鉴

姚玲杰

The Evolution of American Agricultural Informationization and Its Reference for Henan Agricultural Informationization

YAO Ling-jie

农业图书情报学刊 . 2015, (6): 74 -77 . DOI: 10.13998/j.cnki.issn1002-1248.2015.06.018