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- paroxysmal forest pest affair 突发林业有害生物事件
- At present, many research works focus on forest pest fields in Japan. 摘要该文重点对近2a日本松材线虫病的研究文献进行整理分析。
- The paroxysmal faint pest affairs happened frequently in China recently.How to control the emergency events has become a problem which needs to be solved quickly as soon as possible. 摘要我国突发林业有害生物事件频繁发生,如何应对突发事件是目前亟待解决的问题。
- The results showed that C. deformans was a forest pest greatly devastating in Gansu, and risk management on this disease should be strengthened. 结果表明,畸形金锈菌在甘肃省是接近于高度危险的林业有害生物,应加强风险性管理力度。
- To improve the forest pest control efficiency and reduce or avoid its externalities the governmental intervention was necessary. 林业有害生物防治管理需要政府的干预。
- It was shown in the paper that the forest pest control had the characteristics of a public goods and economic externalities. 用经济学的理论和方法对林业有害生物防治进行了分析和探讨,指出了林业有害生物防治具有公共物品特性和外部性经济效应。
- ZHANG Shiyuan, CAI Daorao, LU Gao.2000. Emergence period of Monochamu salternatus and its distribute on regularity on infested pines. Forest Pest and Disease. 张世渊;蔡道尧;陆高等.;2000
- Monochamus alternatus is not only an important pine forest pest,but also one of the most key vector for transmitting Bursaphelenchus xylophilus in China. 松墨天牛不仅是一种重要的森林害虫,还是松材线虫病的主要传播者。
- LUO Y Q,LU C K,XU Z C.Control strategies on a new serious forest pest insect-seabuckthorn carpenterworm,Holcocerus hippophaecolus[J].Forsest Pest and Disease,2003,22(5):25-28. [2]骆有庆;路常宽;许志春.;林木新害虫沙棘木蠹蛾的控制策略[J]
- In comparison with integrated pest management and chemical control, the authors put forward a new strategy of forest pest control, named ecological control of forest pest (ECFP). 摘要与有害生物综合管理和化学控制比较后,作者提出了森林有害生物控制新策略-森林有害生物生态控制。
- The species, distribution, damage and control manures of the forest pest rodents in China were described. The major problems in the control at present and its study tendency were discussed. 摘要该文系统地阐述了我国森林有害啮齿动物的种类、分布及危害的研究进展,论述了鼠害的防控措施,分析了当前防治工作中的重点问题和研究热点。
- The novel originally came from a true love affair. 这本小说原先是从一个真实的爱情故事发展而来的。
- Prevention and Combat of Forest Pest and Insect 小议森林病虫害的防治
- The affair has estranged him from his family. 这件事已使他和家人疏远。
- I dislike my mother's interfering in the affair. 我不喜欢母亲介入这件事。
- Study on Integrated Forest Pest Control 森林害虫综合治理研究
- I was impressed by her handling of the affair. 我觉得她对此事的处理很了不起。
- He went into a long explanation of the affair. 他对那件事长篇大论地解释起来。
- Their love affair is an open secret. 他们的风流韵事是公开的秘密。
- He's abdicated all responsibility in the affair. 他已经放弃了这件事中的一切职责。