在毛主席无产阶级革命路线指引下,在无产阶级文化大革命伟大胜利的鼓舞下,最近几年来,我院玉米杂交育种工作,克服了困难,取得了一些成果。我们深深体会到:社会主义制度是我们科研工作取得成果的保证;祖国的自然 Guided by Chairman Mao’s proletarian revolutionary line and inspired by the great victory of the Great Proletarian Cultural Revolution, the maize hybrid breeding work in our hospital overcame the difficulties and achieved some results. We have come to realize that the socialist system is the guarantee of the fruits of our scientific research. The nature of the motherland