Natural enemy resources of insect pests of alfalfa are very abundant.
苜蓿天敌昆虫资源非常丰富。
The parasitic rate of parasitic natural enemy Torymus gansuensis is 6 39.
寄生天敌云杉瘿蚊长尾小蜂寄生率达6 .39%。
We should control insects biologically by introducing their natural enemy.
我们应该通过引进天敌这种生物手段来控制害虫。
Resources of parasitic wasp natural enemy are very rich in Yunnan Province.
云南省寄生蜂天敌资源十分丰富。
When he found out, the cat vowed to be the rat's natural enemy for ages to come.
当猫发现的时候,它发誓在以后的岁月里老鼠将是它的天敌。
Had a target, it is no longer lonely! The mood always is the natural enemy of wisdom.
有了目标,就不再寂寞!情绪永远是智慧的天敌。
That was because on the east side there were living a group of wolves -their natural enemy!
那是因为东岸有一群狼——是他们的天敌! !
The paper gave the way to estimate parameter of the prey population dynamical model under natural enemy.
建立天敌胁迫下食饵种群动态模型的参数估计方法。
The paper reviewed species and research progress of natural enemy insects of locust both at home and abroad.
概述了蝗虫天敌昆虫的国内外研究种类与内容。
Zebras will kick and bite savagely if attacked. Their main natural enemy is the lion, which hunts them for food.
斑马如果受到攻击,就会疯狂地踢和猛力地咬。它们的主要天敌是狮子,狮子捕杀斑马为食。
Three nutrition relationships between plant and plant-eating insect and natural enemy are focused in some years.
近几年来植物—植食性昆虫—天敌间的三重营养级关系研究是一个热点。
The natural enemy of its pest, the assistant of the farm crop, is also the mankind's good friend, we all like it.
它的害虫的天敌,农作物的帮手,也是人类的好朋友,我们都喜欢它。
The white-collar lifestyle involves high levels of consumption, and consumption is the natural enemy of the environment.
白领的生活方式包含着高水平的消费,而这种高消费是环境的自然天敌。
And many share the desire to reassert Russia's greatness-and a deep-rooted belief that the West is Russia's natural enemy.
此外,还有许多人也渴望重新彰显俄罗斯的强大国力——他们也根深蒂固地相信西方是俄国的天然敌人。
But at the same time, green also protects the natural enemy of mankind and other fierce incomplete meal person animal.
但同时,绿色也保护着人类的天敌及其它猛残的食人动物。
The results showed that the killed effect of isofenphos-methyl was different on rice planthopper and its natural enemy.
结果表明:甲基异柳磷对褐飞虱及其天敌的杀伤力差异很大;
The research contents and results were listed as follows: (1) the investigation of the natural enemy community structure.
主要研究结果如下:(1)棉田天敌群落结构调查。
Hunting food behavior of natural enemy depends on information from various trophic levels, especially chemical information.
天敌搜寻食物的行为依赖于来自不同营养阶层上的信息,化学信息起重要作用。
Galerucella grisescens is an important natural enemy which could significantly control Polygonaceae weeds in tobacco fields.
褐背小萤叶甲是烟田蓼科杂草的重要天敌,对蓼科杂草具有良好的自然控制作用。
The result was as follows: (1) The year trend of cotton aphid intimidated by natural enemy is pictured with a three cubed polynomial.
研究结果认为:(1)天敌胁迫下的棉蚜的年趋势可以用一个三次多项式来拟合。
The integrated control methods include winter control, attack-stage control, natural enemy control and afforestation practice control.
综合防治方法主要分越冬期防治、危害期防治、利用天敌防治和采取营林措施。
The best methods of the management of apple diseases and pests are systematic control ways and the use of the natural enemy resources.
因此,借用自然力,采用系统防治技术,应当是解决苹果病虫管理之关键所在。
The advances on natural enemy of forest long horned beetle in China, including biology, utilization, resources investigations, were reviewed.
从我国林木天牛天敌主要种类生物学、利用、资源调查等方面综述了我国林木天牛天敌的研究进展。
The occurrences of Eotetranychus kankitus Ehara are in very close relation with weather, natural enemy, living environment, human factor, etc.
柑桔始叶螨的发生与气候、天敌、生活环境和人为因素等关系十分密切。
The pest's controls, such as mixed forest, forest tree management, or introduction and protection of its natural enemy, are effective measures.
营造混交林、加强林木管理、控制虫源、引进并保护和利用天敌是控制红脂大小蠹的有效措施。
John considered a young master as the natural enemy of an old servant and young people in general as a poor contrivance for carrying on the world.
约翰认为,任何年轻主人都是老仆人的天敌,一般的年轻人都没有能力继承这个世界。
The characteristics and functions of herbivory insect induced plant volatiles are results of the co evolution among plant, herbivore and natural enemy.
虫害诱导的植物挥发物的特征和功能是植物—植食性昆虫—天敌之间长期进化的结果。
What our study suggests is that organic agriculture is promoting these more balanced natural enemy communities and they may have better, organic pest control.
我们的研究只是表明有机农业可以使农业害虫的天敌群落更加平衡,可以更好控制农业害虫。
We can break the balance of nature by increasing the category and quantity of pests' natural enemy so as to limit their growth and thus prevent the harm.
而增加对害虫天敌的种类或数量,来打破自然界的相对平衡,使之不利于害虫种群的增长,从而减少和防止它们的为害。
This paper gives a brief report on the morphology, biology and ecology of the natural enemy, and give some advice about its conservation and application.
本文报道了广东地区寄生在松褐天牛上的花绒坚甲的形态特征、生物学和生态学特性,并提出了关于保护利用的一些看法。
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