查询词典 aphids

The researchers conjecture that aphids might have pilfered the genes from a fungus that was infecting them.

研究人员推测蚜虫可能是在被真菌感染的过程中窃取了它们的基因。

The researchers conjecture that aphids might have pilfered the genes from a fungus that was infecting them.

研究者猜想蚜虫可能从真菌感染自己的真菌中窃取了这份基因。

There was no impact on cotton aphid and ALB by Bt-cotton, but the ingesting sap behavior in pholem and the intrinsic rate of increase of the aphids fed on transgenic Bt CpTI cotton decreased significantly.

同时，田间棉铃虫上灯蛾的FA值与Bt棉的种植年代间存在着显著的负相关，显示出棉铃虫自然种群对Bt棉的适应性随着Bt棉种植时间延长而渐增的趋势。

Simian3 and Shiyuan321 as control. It showed that both GK12 and SGK321 had no significant impacts on natural control efficacy of the biological and non-biological death factors of cotton aphids. Except for the factor of natural death and others, predation was the key factor affecting population dynamics of cotton aphid. Rain ranked the second, parasitism by insects and pathogens had weak control efficacy.

与常规棉相比，单，双价抗虫棉对天敌捕食和寄生，病原物，风雨等生物和非生物因素对棉蚜种群的自然控制作用均未产生显著影响；各因素中，除自然死亡及未知因素死亡外，天敌捕食对棉蚜自然种群的控制作用最强，风雨的作用次之，天敌寄生和病原物的作用则较弱。

The efficacy experiment of five insecticides against aphids was done in the cotton field.

本文对五种杀虫剂在本地区气候环境下防治棉蚜的药效进行了试验。

One day,I noticed clusters of tiny insects called aphids were visited by a large colony of ants.

有一天，我发现一成串的叫做蚜虫的小昆虫遭到了一群蚂蚁的攻击

However, reproduction rates of some insects such as aphids are influenced by nutrition .

然而，一些昆虫的繁殖率，如蚜虫等是受营养影响的。

The population of aphids is normally kept down by other animals.

蚜虫的数量通常被其他动物控制在较低水平上。

Over the past few hours, I found some aphids died in the branches, some dead in the pot.

几个小时过去，我发现蚜虫有的死在枝叶上，有的死在花盆里。

The study aimed to provide scientific proof to reduce the aphids to harm wheat.

［目的］为减少蚜虫对小麦的危害提供科学依据。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。