1.
Poor: No organized program for insect control. Insects or evidence of their presence found throughout plant.
差:未建立害虫控制的程序,或在厂房内有害虫或害虫的痕迹。
2.
A variety of pest control methods that include repairs, traps, bait, poison, etc. to eliminate pests.
一系列包括各种各样的害虫控制方法如陷井、饵、毒物等以消灭虫害。
3.
Control index is one of the important technologies in pest control theory and the key factor deciding the success or failure of operation in pest management project.
害虫的防治指标一直是害虫控制论中的关键技术之一,是害虫治理项目实施成败的关键。
4.
Controlling Activites of the Essential Oils Against Three Main Stored-product Pests;
植物精油对三种储粮害虫控制作用的研究
5.
Preliminary Study of White Clover on Controlling Pests in Peach Orchards
白三叶草对桃园害虫控制作用的初步研究
6.
Chemicals are used for keeping insects down.
化学剂用来控制害虫。
7.
A Study on the Comprehensive Control over the Diseases,pests and weeds in the Fields for Hybrid Rice Seed Production;
水稻制种基地病、虫、草害的系统控制
8.
The Study on Sustainable Control Tecology of Chestcut Pests in Xinyang;
信阳板栗病虫害可持续控制技术研究
9.
Experiment of Sex Pheromones Introduced from Japan on the Control of Apple Pests
引进日本性信息素控制苹果害虫试验
10.
Biological diversity in support of ecologically-based pest management at landscape level
农业景观生物多样性与害虫生态控制
11.
A Pest Management SEI Model with Biological and Chemical Control
具有生物控制和化学控制的SEI害虫管理模型
12.
Control Effect of 30% Chlorantraniliprole·thiamethoxam SC Drenched in Seedbed on Insect Pests of Cabbage (Brassica oleracea L. var. capitata L.) Plants
30%氯虫·噻虫嗪SC苗床灌根对结球甘蓝害虫的控制效果
13.
(b) pest and disease control, including general and product-specific pest and disease control measures, such as early-warning systems, quarantine and eradication;
(b)病虫害控制,包括一般的和特定产品的病虫害控制措施,如早期预警制度、检疫和根除;
14.
the costs of control or eradication in the territory of the importing Member;
在进口成员领土内控制或根除病虫害的费用;
15.
Rarely can permanent control be achieved by a single application of spray.
使用一次药剂防治难于持久地控制害虫。
16.
The idea of using microorganisms to control plant pests is not new.
用微生物来控制病虫害的设想并不新鲜。
17.
Studies on Occurrence and Control of Main Pests in Flowers Plants Field in Shanghai;
上海地区花卉主要害虫发生规律与控制技术
18.
Studies on the Effect That Planting Grass and Releasing Natural Enemies Has the Pests under Control in the Orchard;
苹果园生草与释放天敌对害虫的控制效应