Poplar anti-insect genetic engineering provides an effective way for solving this difficult problem.
而杨树抗虫基因工程为解决这个难题提供了一条有效途径。
2
Is not contain any preservatives or chemical additive of totally environment-protecting anticorrosive anti-insect wood, and has good anticorrosion anti-insect function.
是不含任何防腐剂或化学添加剂的完全环保的防腐防虫木材，具有较好的防腐防虫功能。
3
This paper analyses the diverse significance, hereditary strength and dependence of several main characters among the varieties of different Bt gene anti-insect cottons.