您要查找的是不是：
- 双T-DNA区载体twin T-DNAs vector
- 区district
- 双pair
- 利用双T-DNA载体系统培育无选择标记转基因烟草Generating Marker-Free Transgenic Tobacco Plants by Agrobacterium-mediated Transformation with Double T-DNA Binary Vector
- 双击double-click
- 载体carrier
- 工作区workaround
- 双语diglossia
- 区号district number
- 一种利用双T-DNA载体培育无选择标记转基因水稻的方法A method to produce marker-free transgenic rice using double T-DNA vector
- 学区school district
- 一双pair
- 红灯区red-light district
- 双赢Win-win
- 厂区factory; mill; plant; works
- 双色two-tone color
- 大区pergana
- 双线crewel
- 明区hyalomere
- 载体DNAcarrier DNA; vector DNA
