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insects相关的网络例句

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与 insects 相关的网络例句 [注:此内容来源于网络,仅供参考]

Lac insects are one kind of resource insects with great economic value, which belong to order Homoptera, superfamily Cocoidea, family Lacciferidae, genus Kerria.

紫胶虫是一种具有重要经济价值的资源昆虫,属同翅目Homoptera,蚧总科Cocoidea,胶蚧科Lacciferidae,胶蚧属Kerria,主要分布于印度、泰国、缅甸、中国、老挝、孟加拉国、巴基斯坦、越南等国热带和亚热带地区。

In our study,two important lepidopteron pests,beet armyworm and cotton bollworm were surveyed for their endogenous piggyBac.As a result,endogenous piggyBac elements were found in these two insects,and one of the piggyBac elements isolated from the genome of cotton bollworm was intact and thought to be potentially active.1 Clonging and sequence analysis of piggyBac from beet armywormUsing PCR technique,with degenerate primers,a DNA fragment of piggyBac-like element was cloned from the genome of beet armyworm,spodoptera exigua hubner.The DNA fragment was 456bp in length,and the deduced amino acid sequence shares 50%- 78% similarity with other piggyBac elements from insects.But one stop code was found in this DNA fragment.

由于转座子很难用常规的RT-PCR和RACE技术进行克隆鉴定,故本研究在兼并引物PCR的基础上,利用inverse PCR和vectorret PCR技术,不仅调查了鳞翅目两种重要的农业害虫甜菜夜蛾和棉铃虫的內源piggyBac存在情况,同时克隆到了內源性的piggyBac转座子,并且从棉铃虫中获得了一个结构完整、具有潜在活性的piggyBac转座子HaPLE1.1甜菜夜蛾piggyBac转座子基因的克隆与序列分析采用PCR技术,利用兼并引物,从甜菜夜蛾基因组中克隆出一个內源性piggyBac类似因子的DNA片段,并命名为SePLE。

This paper extracted and analysed 11Math-Mophological Features such as Area, Perimeter, X-Length, Y-Length, Shape-Parameter, Lobation, Sphericity, Circularity, Roundness, Eccentricity and HoleNumber. Based on 40 species of insects which belonging to 8 Orders, 25 Families. And then ranks the accountability of 11 features each in insect identification while assessing their implication to insect taxonomy on levels of Order, Superfamily, Family and Species. More than those, also describes the kinship among the insects of various categories within the same level from the perspective of mathematical morphology through cluster analyses.

论文对隶属于8个目25科的40种昆虫利用计算机视觉技术进行了自动鉴别研究,从昆虫图像中提取和分析了这些昆虫的面积、周长、横轴长、纵轴长、形状参数、叶状性、球状性、圆形性、似圆度、偏心率、亮斑数等11项数学形态特征,并分别探讨了在目、总科、科及种分类阶元上这些数学特征在昆虫分类中的应用可能性和可靠性,利用聚类分析从数学形态学角度对所涉及到的同阶元昆虫类群的亲缘关系做了描述。

Carposina, Navicula caterpillars, flat postornata, soil pests such as mole cricket, can they turn to land the ground froze to death;also bollworm damage, stick insects, sawfly wheat, locust pupae Room nests, etc., to prevent its emergence or incubation in order to better carry out Overwintering insects buried in the 10 ~ 15 cm layer, it should be frozen in the soil before or early spring, while the pests,"sleep" when the Land20 ~ 30 cm, so that exposure of adults or pupae on the ground was frozen to death or birds pecking; such loose soil can also help the soil ripening, and enhance the permeability of soil.

害虫越冬入土在10~15厘米层间,故应在土壤封冻之前或早春,趁害虫"熟睡"之际,将田土深翻20~30厘米,使成虫或蛹暴露在地面上被冻死或被禽鸟啄食;这样也可使土壤疏松,有利于土壤的熟化,增强土壤通透性。

In some classifications considered a suborder of Orthoptera: stick insects; leaf insects.

在某些分类中被认为是直翅目的一个亚目;竹节虫;叶虫。

In this paper, we describe the characteristics of major pollinating insects and discuss the methods for studying foraging behavior of pollinating insects and factors potentially influencing pollinator behaviors.

本文介绍了主要的传粉昆虫种类及其特征,并探讨了昆虫访花行为及其影响因素的研究方法。

Studying pests of Gold-Autumn Pear in Da-long Country Long-tian Local Government in Hong-jiang City from February 2003 to October 2004, we primarily think Gold-Autumn Pears diseases include Gymnosporangium haracanumsyd, Venturia Pirina Aderh, Alternaria Kikuchiano Tanaka, Physalospora piricola Nose, and its insects include Psylla Pyrisuga Forst, Cinacium iakusuiensis kishida, Janus Piri Okamoto et Muramatsu,Toxoptera Piricola Mats, Urochela Luleovaria Distant, Eucleidae. Its main diseases are Gymnosporangium haracanumsyd, Venturia Pirina Aderh and Alternaria Kikuchiano Tanaka, main insects are Psylla Pyrisuga Forst, Cinacium iakusuiensis kishida.

通过2003年2月—2004年10月两年间在湖南省洪江市龙田乡大垅村对金秋梨病虫害防治的研究,初步确定了金秋梨上的病害有:梨锈病、梨黑星病、梨黑斑病、梨轮纹病,虫害有:梨木虱、梨黄粉蚜、梨茎蜂(Janus Piri Okamoto et Muramatsu)、梨星毛虫、梨二叉蚜Toxoptera Piricola Mats、梨蝽象(Urochela Luleovaria Distant、刺蛾等,其中以梨锈病、梨黑星病、梨黑斑病为主要病害,以梨木虱、梨黄粉蚜为主要虫害。

Because they destroy so many insects, and insects include some of the greastest enemies of the human rance.

因为他们能消灭那么多的昆虫,其中包括一些人类的大敌

As a sparrow, it flies around everyday to prey insects; so, the insects are actually survived in panic of possible being eaten if they can feel it. Sparrow also fears eagle preying or kid shooting with slinger behind it.

作为一只麻雀,它每天飞来飞去,捕捉昆虫;昆虫如果有知,它们每天必定是生活在惶恐之中,生怕自己会被麻雀吃掉,而麻雀本身也会提防老鹰在它背后的捕杀,甚至小孩子在地上用弹弓袭击它等等。

Gecko danger, to escape from the end, the tail can also regeneration; spiders can not only foresee the impending storm front, but also quickly erect个Net knot to prevent cross-Net torn by wind and rain and no home to return to; fly bats were not birds belong to animals, it can rely on their own issued ultrasonic reflectivity of the target to determine the target insects are still obstacles; sundew, rainbow grass these plants were able to "kill" small insects as their own "food"......

壁虎遇到危险,脱尾逃生后,尾巴还能再生;蜘蛛不但可以预知暴风雨来临,而且还赶忙结个竖网,以防横网被风雨扯破后无家可回;会飞的蝙蝠居然不属于鸟类动物,它还能靠自身发出的超声波对目标物的反射来确定目标是昆虫还是障碍物;毛毡苔,彩虹草这些植物居然能"捕杀"小虫子作为自已的"食物"。。。。。。

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