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天津民族中学初中学生杨旭、李玮、单惜蕊等同学,培育出了黑、白、红、黄、紫5种颜色的无公害玉米。2001年,民族中学的几位学生在其科技兴趣组尹武安老师的指导下,利用从日本引进的彩虹玉米与天津本地的唐玉5号玉米进行杂交,当年即收获玉米杂种F2,2002年,在尹老师的指导下,民族中学和天津市雷锋小学的同学们,分别在校园开辟的试验田等处,精
Tianjin junior high school junior middle school students Yang Xu, Li Yu, Dan Xi Rui and other students have cultivated five colors of black, white, red, yellow and purple pollution-free corn. In 2001, under the guidance of teacher Yin Wu’an, who was a science and technology interest group, several students of ethnic high schools used the rainbow corn imported from Japan to cross the corn of Tangyu 5 in Tianjin, and then harvested the maize hybrid F2 in 2002. Under the guidance of Teacher Yin, the students of the National High School and Tianjin Leifeng Elementary School opened the experimental fields on the campus, etc.