查询词典 single-crop

This course offers a basic understanding on morphology structure and function, the injury on crop of Acari by light microscopy and scanning electron microscopy practical operation.

本实习目的，让学生利用光学显微镜及扫瞄式电子显微镜认识基本之蟎蜱外部形态构造及功能，与观察蟎类对重要经济作物的为害特徵。

Its high effectiveness to acarid but lower toxity to rodent contributed to good crop harvest.

三氯杀螨醇对啮齿动物的毒性较低，杀螨效果好，促进了农作物的丰收。

The journal publishes results of original research on the several specialties of entomology, including bionomics, systematics, morphology, physiology, behavior, ecology, biological control, crop protection and on acarology.

杂志刊载昆虫学的原始研究，包括昆虫生态学，系统分类学，形态学，生理学，行为，生态学，生物控制，作物保护和螨学。

This acreage represents 50 different crop species.

这个面积，代表50种不同的作物品种。

Actinomycosis soil microorganisms for a big group, have an important impact on plant growth, can increase crop production, particularly in the biological control of plant diseases and insect pests have an important role.

放线菌为土壤微生物的一大类群，对植物生长有着重要影响，可以增加作物的产量，特别在植物病虫害的生物防治中有着重要的作用。

Effect of different kinds of organic manure including fully-fermented pig manure, oil cake and fully-fermented crop straw and application time on bacterium, fungi, actinomycosis in flue-cured tobacco planting soil.

通过田间试验研究了前作和当季分别施用不同的有机肥料（腐熟猪粪、菜籽饼和腐熟秸秆）种类对烟田土壤中细菌、真菌、放线菌总量的影响。

Content of actinomycosis was increased by 2.40, 41.13 and 23.39 percent by using fully-fermented pig manure, oil cake or fully-fermented crop straw at 63d after planting respectively.

前作或当季施用腐熟猪粪移栽后63d增加了真菌总量，其增量分别为14%、13%；当季施用腐熟猪粪、菜籽饼、腐熟秸秆在移栽后63d增加了放线菌总量，其增量分别为2.4%、41.13%、23.39%。

It is of long time of adaptive action of crop and its environment.

一种作物的技术程序是一个完整的系统，这种系统具有长期的稳定性，是长期对环境适应的结果。

A legislation impact assessment by environmental consultancy ADAS found that the loss of certain pesticides and insecticides could reduce yields of key crops such as potatoes and wheat by as much as 25 per cent.The report was funded by the European Crop Protection Association.

英国最大农业研究中心洛桑研究所植物和无脊椎动物生态学主管伊恩·德诺姆表示：由于农药具有潜在危害性，因而必须受到管制，但当前的立法是世界范围内的黄金标准。

We got the water would come up Here's a look at Aden's crop a few years ago.

我们得到的水会拿出这里看看亚丁的作物，几年前。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。