片语

insect pest occurrence虫害发生

underground pest insect地下害虫

warehouse pest-insect仓库害虫

crop insect pest作物病虫害

injurious insect害虫

forest insect pest[植保]

verm害虫

英汉例句

• the prerequisite for the natural enemies to be able to control insect pest is that the increase of injurious insects is restrained by the density of the latter.

  捕食天敌能防治病害的前提是害虫猎物数量增长受害虫自身密度的制约。

• the concentrations of cd and cu are different in the different parts of the male and female insect pest .

  结果显示，镉与铜在不同性别东亚飞蝗不同部位的富集状况不同。

• the advances in studying resistance fitness of insect pest to insecticides and the mechanism of endocrinic regulation were reviewed.

  本文就害虫抗药性适合度与内分泌调控研究进展作了概述。

• the agricultural measures could reduce the root disease and insect pest of soybean.

  可减轻重迎茬大豆根部病虫害。

• the main research progress in china and oversea on system analysis and modeling for rice, soybean, alfalfa and their main insect pest ecosystem is surveyed.

  本文综述了水稻、大豆、苜蓿三大作物及其主要害虫的系统分析和模拟模型在国内外的主要研究成就。

• the peach fruit moth, carposina sasakii mstsumura, is a major fruit-boring insect pest of apples, peaches and pears etc. in china.

  桃小食心虫是我国果树上主要的蛀果害虫。

• insecticide mixtures are usually used to enhance the spectrum and efficacy of insect pest control as well as to delay resistance development.

  杀虫剂混用的主要目的是兼治多种害虫，提高防治效果以及延缓害虫抗性的发展等。

• gardens plant insect pest is one of the most important factors that had restricted the sustainable development of garden forestation.

  园林植物病虫害是制约园林绿化事业可持续发展的重要因素之一。

• diomea cremata butler , a noctuid insect pest of mushroom, was newly found in fujian province.

  本文报道的星狄夜蛾diomeacrematabutler是福建省食用菌害虫的新记录.

• t protein is used in organic agriculture as a non-toxic means of insect pest control.

  蛋白是以一种非毒性的方式进行虫害控制的。

• the gerplasm of rice from inger in guangdong take an important contribution in raising the level of studies on resistance to insect pest and disease, rice breeding and gerplasm utilization.

  通过inger试验引进的水稻种质资源对丰富广东水稻育种的遗传背景，提高广东省水稻抗病虫性研究和抗病虫育种水平以及种质研究利用水平具有重要意义。

• dendrolimus punctatus is the most destructive forest insect pest in china.

  马尾松毛虫一直是我国最严重的森林食叶害虫之一.

• medlar use ladybug control aphids, gall midge and other pests, improve wolfberry fruit quality, grade, insect pest control in the future to lay a good foundation.

  利用瓢虫防治枸杞蚜虫、瘿蚊等害虫，提高枸杞果实品质、档次，为今后以虫防虫打下了良好基础。

• the spruce bark beetle is the major tree - killing insect pest of alaska spruce forests.

  云杉树皮甲虫是阿拉斯加云杉树林中危害树木的主要害虫.

• plant disease and insect pest monitoring and reporting system.

  病虫害监测预报系统.

• in this paper, influence factors of insect pest occurrence of urban green-land were studied.

  为有效控制城市绿地害虫，对城市绿地虫害发生的影响因素进行了研究。

• the integrated control of plant disease and insect pest of ornamental plant is an important and technical work in afforestation.

  园林植物病虫害防治工作是园林绿化行业中一项及其重要和经常怀的技术工作。

• time, space and nutrition multidimensional niches of main insect pest in gourd vegetables and competition among the species of insect pests are studied.

  研究了瓜类主要害虫的时间、空间、营养生态位及各害虫种间的竞争状况。

• nilaparvata lugens st ? l is an important agricultural insect pest showing resistance to many different insecticides.

  褐飞 虱 是一种重要的农业害虫,其对许多杀虫剂都产生了抗药性.

• an insect pest fatal to cotton had struck the crop.

  棉花遭受了一种致命的虫害。

• plant disease and insect pest monitoring and reporting system.

  病虫害监测预报系统。

• this is harmless to cultivation controls insect pest and disease to be most direct, the most effective method.

  这是无公害生产中控制病虫害最直接、最有效的方法。

• the economic analysis of decision making is an important part of the modern insect pest management in theory and practice.

  害虫管理决策的经济分析是现代害虫管理理论和实践的重要组成部分。

• but, several insect pest have evolved the resistance to imidacloprid now in greenhouse and in field.

  但随着吡虫啉的大量应用, 很多害虫产生了抗药性问题.

• at the same time, the intensity of insect pest obviously took on periodic changes.

  虫害发生的轻重有明显的周期性变化。

• research advances on structure, components, function, permeability and the relationship to insect pest management are summarized.

  该文综述了有关围食膜结构、组分、功能、通透性以及与害虫防治的关系等方面的研究进展。

• the difference of biotic fitness between two strains of the insect pest was related to the changes in hormone level and its regulation ability.

  害虫抗性和敏感品系的生物适合度差异与其体内激素水平及调控能力变化有关。

• the prevalence of disease and insect pest is one of the factors, which restrict the yield in rape production.

  在油菜生产中，病虫害的发生是油菜高产稳产的限制因子之一。

• the conserving and ul - tilizing of the ant is very important in insect pest management.

  害虫管理决策的经济分析是现代害虫管理理论和实践的重要组成部分.

• the paper discussed present situation and characteristics of insect pest in highway virescence, and put forward a prevention measurement.

  本文对公路绿化虫害防治现状、发生特点及防治基本策略进行了初步的探讨。