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- pest control chemical 害物防治药剂
- Guangzhou DaSiXi Pest Control Corporation Ltd. 广州市大四喜灭鼠除虫有限公司。
- It's an approach to pest control that's so crazy. 这是一种控制有害物的方法，这种方法非常的疯狂。
- Development of alternative pest control methods will no doubt decrease the need for chemical pesticides in the future. 虫害防治方法的新发展，无疑将使未来的化学农药需要量大大减少。
- Describe the physical tools used for mice and pest control. 请描述所有捕鼠、虫害的物理性工具。
- Most viruses used in pest control programs have been sprayed. 大部分用于控制害虫的病毒都是直接喷射到农作物上的。
- Review on Cultivation and Insect Pest Control of Rhododendron L. 杜鹃花培育及常见病虫害防治技术研究进展。
- The Main Disease and Pest Control Countermeasures of Cycas spp. 苏铁主要病虫害及其防治对策。
- Flower beds receive attention from a pest control worker. 防治虫鼠人员在花槽放置鼠药，杜绝鼠患。
- In this paper, predator-prey systems with periodic impulsive effect concerning pest control are proposed through biological control and chemical control. 摘要本文通过生物控制和化学控制提出了具有周期脉冲效应与害虫控制的捕食系统。
- Pest control is one of the major areas of concern in intensive agriculture. 病虫害防治是集约型农业所关心的主要方面之一。
- 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。
- pest control chemicals 杀虫药,农药,病虫害防治药剂
- Thoroughly control chemical substances, and reduce their impact on the environment. 关于化学物质,进行彻底管理和努力减轻环境负荷。
- Police called in a pest controller to deal with the swarm. 最后，警方叫来一名害虫处理专家才将这群蜜蜂对付。
- There has been a further shift toward the development of integrated systems of pest control. 研究方向进而转向发展虫害的综合防治体系。
- The key of such measures is to strictly control chemical composition and to conduct proper nodulizing treatment, inoculation and cooling treatment. 成功的关键就是对球墨铸铁的化学成分的控制,并配合适当的球化、孕育及冷却处理。
- Integrated insect pest control and effective water management should be developed. 发展病虫害防治和水分管理措施。
- Plant activator can activate the disease defence system of plant - an unuasual mode of action for a disease control chemical. 植物激活剂是一类能诱导植物抗病性的药剂,作用机制独特。
- Pest control, we are learning, is just one of the many ways spiders can help us. 我们逐渐弄清，控制害虫只是蜘蛛能帮助我们的许多方法之一。
