鸟类

As an analogy, we might say that our trichromatic color vision can be represented in a triangle, whereas their tetrachromatic color vision requires an additional dimension, giving a tetrahedron or triangular pyramid.

让我们做个类比，如果用一个三角形来代表人类的三色色觉，那麽鸟类的四色色觉就需要多一个空间维度来代表，得到的就是四面体或三角锥体。

Correlation analysis and factor analysis indicated that two principal components were derived with each comprising 3 variables. The first principal component include the width of metatarsal trochlea II, III and IV; and the second principal component includes the relative height and anterior projection of metatarsal trochlea II compared to that of III, and relative anterior projection of metatarsal trochlea IV compared to that of III.

对现生鸟类跗跖骨5组（12个）变量进行分析，研究各变量间的相关程度，对变量进行主成分分析提取出2个主成分，其中第1主成分包括第II，III，IV三个跖骨的宽度变量；第2主成分包括：第II跖骨滑车相对于第III跖骨滑车的上下及前后位置两变量，以及第IV跖骨滑车相对于第III跖骨滑车的前后位置变量。

The book introduces the animal models representing natural infections ranging from uni- to multicellular and from endo- to ectoparasites in fish, chickens and mammals, including structural and physiological aspects of cell death; Role of apoptosis in non-mammalian host-parasite relationships; thionine-positive cells in relation to parasites; animal models for the study of innate immunity; interaction between sea lice and their hosts; pathophysiology of salmonids cryptobiosis and glossina-transmitted mammalian trypanosomiasis in livestock; avian coccidiosis; interactions betweem fish hosts and monogeneans.

该书介绍了鱼类，小鸡和哺乳动物从单细胞到多细胞和从内寄生虫到外寄生虫的天然传染的动物模型，包括细胞死亡的结构和生理学方向；非哺乳动物宿主和寄生虫关系中细胞凋亡的作用；硫堇阳性细胞与寄生虫的关系；用于先天免疫研究的动物模型；海虱与其宿主的相互作用；鲑鱼隐生想象的生理病理学和家畜中舌蝇传播的哺乳动物锥虫病；鸟类球虫病；鱼类宿主与单殖亚纲动物的相互作用。

There were several hundred animal specimens became type specimen later. The famous writings A Handbook of Birds of Eastern China and The Reptiles of China ext. published in Britain and U.S. in the beginning of twentieth century all presented remarkable connection.

后来成为模式标本的有数百种。20世纪前期分别由英国和美国出版的《华东鸟类手册》及《中国的爬行动物》等有影响的著作，都与这一地区有着密切的渊源关系。

He asked to be left unburied, but the disciples wouldn't hear of it, protesting that he would be eaten by the animals and birds.

他要求不要埋葬他，但他的门徒们不听。他们抗议道，那样，大师会被动物和鸟类吃掉的。

It is considered the cradle of an uncountable number of species, mostly birds, fishes and reptiles.

它被认为是摇篮，蕴涵着一个物种的数量，大部分鸟类，鱼类和爬行动物。

The site contains ten other species of African ungulate as well as a variety of African birds.

这里还饲养着其他10几种的非洲有蹄类动物和各种非洲鸟类。

It's built up now, but then it was still a little Mexican hamlet with bumpy unpaved streets, open bars, and tropical birds in the trees.

兹华坦尼乔现在已经得到了开发和建设，但是在当时，它还只是墨西哥的一个小村庄，土路高低不平，酒吧没有年龄限制，以及在树间飞来飞去的热带鸟类。

It is thought unseasonable weather patterns may have affected the birds' eating habits

有人认为反常天气可能影响了鸟类的饮食习惯。

There is no escaping the untidiness and havoc birds bring to their surroundings.

没有逃避untidiness和破坏鸟类带给他们的环境。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐