pest是什么意思

网络释义

用法例句

Current situation and prospects of research on lawn insect pests in China;

我国草坪害虫研究现状与展望

Effects of cutting on the population dynamics of main insect pests on alfalfa;

刈割对苜蓿主要害虫种群数量动态的影响

The occurrence and control technology of insect pests of Eriobotrya japonica;

枇杷害虫发生与防治技术研究

Investigation of Plant Diseases and Insect Pests in Guangzhou Zoo;

广州动物园主要绿化树种病虫害调查

Recent advances in controlling plant diseases and insect pests by mixture planting and inter-planting of crops;

作物混植和间作控制病虫害研究的新进展

Diseases and Insect Pests and their Prevention and Control in Anji Bamboo Genus Garden;

安吉竹种园病虫害及防治初报

Investigations on disease and insect pests in crops cultivated in equipped conditions in Guangxi;

广西设施栽培蔬菜病虫害发生情况调查研究

The research of preventing dry noodles from insect pests by microwave technology is introduced.

介绍了运用微波技术防止挂面出虫的研究,结果表明:微波杀虫法能有效防止挂面被虫害污染,并能防止挂面霉变,延长保质期。

The known diseases and insect pests of Cycadaceae in China and their control were summarized, and 4 species of disease and 45 species of insect pest damaging Cycadaceae plants in China were recorded.

对中国苏铁科植物已知病虫害及其防治研究进行综述,整理出已知病害4种,虫害45种。

Storage pests in the exportable down-filled clothing products;

出口羽绒服装及制品仓储害虫调查

Response of "Crop-Pest-Natural Enemy" Tri-trophic System to Elevate Ozone;

作物-害虫-天敌三级营养系统对臭氧增加的响应

Biodiversity in Different Planting Structure in Paddy Field and Its Effect on the Population of Pest and Natural Enemy;

稻田种植结构的生物多样性及对害虫和天敌种群的影响

To rid of vermin.

驱除害虫，消灭害虫

An insecticide designed to kill larval pests.

杀幼虫剂用于杀死害虫幼虫的杀虫剂

Insects which eat crops are pests.

吃庄稼的昆虫是害虫。

Infestation by vermin, especially parasitic vermin.

害虫孳生；寄生虫孳生害虫，尤指寄生虫的侵扰

Are extic pests more easily controlled than indigenous pests?

外杂害虫比本地害虫更容易防治吗？

The key pests and rat include: nematodiasis of the pines and pine moth, forest rats, defoliator of the poplars, bristletail.

二是松毛虫、森林鼠害、杨树食叶害虫等常发性病虫害； 三是小蠹虫、萧氏松茎象等钻蛀性害虫。

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。

The control effect of a new type of insecticide against stored grain pests and crop pests

一种新杀虫剂对储粮害虫和作物害虫的杀虫效果

The severe frost killed off most of the insect pests.

严霜杀死了大多数害虫。

Chemicals are used for keeping insects down.

化学剂用来控制害虫。

The severe frost kill off most of the insect pest

严霜杀死了大多数害虫

They had killed off the pests by wholesale.

他们大规模消灭害虫。

control of crop insect pests in ancient China

中国古代作物害虫防治

The insecticide will kill off the insect pests.

这情形剂可消灭害虫。

It's difficult to get rid of such insects.

要除去这种害虫很困难。

use chemicals to keep pests down

用化学药品消灭害虫.

Worms attacked the cabbage plants.

害虫侵袭了卷心菜。

Away with all pests...

扫除一切害人虫…。