相关smostfamousscientist的文学知识

问题详情：  YuanLongpingisoneofChina’smostfamousscientists,buthec  61   himselfafarmer.YuanLongpinggrows   62   iscalledsuperhybridrice.In1973,hebecamethefirstagriculturalpioneerintheworld...