您要查找的是不是：
- During the tobacco hardening period, bed of tobacco seedling was the falling target of alate aphids, and was the main resource of tobacco virus spread by aphids. 炼苗期烟草苗床是传毒介体有翅蚜着落的靶子中心 ,是烟田蚜传病毒病的主要初侵染源 ,为防治烟草蚜传病毒病的关键时期。
- Amino-oligosaccharin was applied on tobacco to control tobacco virus diseases, The results indicate that Amino-oligosaccharin can control TMV and CMV evidently. 试验结果表明,喷施氨基寡糖素后能有效促进烟株生长发育,对烟草病毒病有较好的防治作用,特别对CMV防效更佳,室内接种实验防效达到34。
- It undrew the prelude of transgenic breeding that the company of Monsanto Company obtained the first transgenic tobacco plant which had resistance to tobacco virus by transgenic technique in 1986. 1986年美国孟山都公司利用转基因技术获得了第一株抗病毒病的转基因烟草植株，拉开了转基因育种的序幕。
- Tobacco virus disease control in China 我国烟草病毒病的防治研究策略
- The air was reeking with the smell of tobacco. 空气中弥漫着烟草的气味。
- He tamped down the tobacco in his pipe. 他把烟丝紧紧摁实在烟斗里。
- He rammed the tobacco into his pipe. 他把烟丝塞进烟斗。
- Current Situation and Control Study on Tobacco Virus Disease in China 我国烟草病毒病的发生现状及防治进展
- In some countries tobacco is a government monopoly. 在有些国家烟草是政府的专卖品。
- Tobacco fumes filled the air in the room. 室内的空气中充满了香烟的烟雾。
- She cannot stand the smell of tobacco smoke. 她受不了香烟的气味。
- Can I trade my tobacco for your matches? 我用烟草换你的火柴行吗?
- A main feature of computer virus. 计算机病毒的一种主要特性。
- This is a mixture of the best tobacco. 这是由最好的烟叶配制成的。
- Do you smell the reek of stale tobacco? 你闻到发霉烟草的臭味了吗？
- The flu virus infected almost the entire class. 全班几乎人人都染上了流行性感冒病毒。
- He stank the whole house out with his tobacco smoke. 他吸烟把整所房子弄得难闻极了。
- He replenished his pipe with tobacco. 他给烟斗再添满烟草。
- Scientists have isolated the virus causing the epidemic. 科学家们已分离出引起这种流行病的病毒。
- A high amount of money is spent on tobacco every year. 每年都要花费大量金钱在烟草上。
