�学家运用转基因技术将苏��芽孢杆菌的抗虫基因dxt转移到大白菜细胞中培育出抗虫效果很好的优质大白菜减�了农药的使用量减轻了农药对环境 Template




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tomski�学家运用转基因技术将苏��芽孢杆菌的抗虫基因dxt转移到大白菜细胞中培育出抗虫效果很好的优质大白菜减�了农药的使用量减轻了农药对环境 coloring