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中国科学院遗传所会同北京市密云县科委于1981年9月10—11日在密云县召开了多穗玉米粮,饲两用试种经验交流会。来自北京、天津、上海、河北、山西、辽宁、广西等地试种单位和科研单位的四十多位科技人员,参观了密云县北白岩、新农村两个生产大队的大面积多穗
Institute of Genetics, Chinese Academy of Sciences, together with Beijing Miyun County Science and Technology Commission held a multi-spike corn grain and feed breeding experience exchange meeting in Miyun County on September 10-11, 1981. More than 40 scientific and technical personnel from seed-breeding units and scientific research units in Beijing, Tianjin, Shanghai, Hebei, Shanxi, Liaoning and Guangxi visited the large-area and multi-spike of two production brigades in North Baiyan and New Rural Areas of Miyun County.