淳安县蚕业规模发展、科技推广体系面临的挑战和对策淳安縣蠶業規模髮展、科技推廣體繫麵臨的挑戰和對策 순안현잠업규모발전、과기추엄체계면림적도전화대책 Challenges confronted by Chun'an county in the development of its sericulture scale and technique extension system and the corresponding countermeasures
万方数据
蚕学通讯蠶學通訊잠학통신 NEWSLETTER OF SERICULTURAL SCIENCE 2006年2期30-31,共2页
