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基于J2EE的无公害农产品数字认证系统的设计与实现
郭伟,席磊,马新明
Design and Implementation of Pollution-Free Agricultural Products Certification System Based on J2EE
GUO Wei ,Xi Lei,Ma Xinming
中国农学通报 . 2009, (13): 246 -249 .  DOI: 10.11924/j.issn.1000-6850.2009-0292