鸟类

Cluster analysis was used to understand the community structare of Tragopan temminckii and the interspecific relationship between this pheasant and other birds.

1994～11～1995－9我们在四川卧龙自然保护区进行红腹角雉的野外生态研究，主要通过聚类分析的方法分析了红腹角雉与所在鸟类群落的其他鸟类的种间关系。

The aviaries of rare, and ordinary, birds on the outmost barrier islands off the coast were hit first; the pictures of blackened pelicans, terns and egrets have started to appear on the pages of local newspapers and on TVs and iPods throughout the country.

最先受到影响的是位于离海岸最远的岛屿上的珍稀鸟类和普通鸟类栖息地；全身漆黑的鹈鹕、燕鸥、以及白鹭的照片逐渐开始登上当地报纸的版面，这一消息甚至通过电视和iPod而传遍全国。

These birds are best known for their loud cackles, four-toed feet, and brilliant plumage.

这些鸟类是最有名的大声的咯咯声，四趾脚，和灿烂的鸟类羽毛。

More and more bird watchers are noticing and commenting upon the depleting bird populations.

越来越多的鸟类观察家正在观察和报告鸟类数量的减少。

Based on field observation, we found the variations of bird foraging behaviors in different habitats.

对8种鸟类的取食方式分析表明，这些鸟类在不同栖息地中的取食方式存在较大差异。

It went from birds to humans, possibly after circulating and hybridizing inside pigs (which can catch both bird and human versions of the flu).

它从鸟类到人类，可能在内部循环和杂交猪（可赶上这两个版本鸟类和人类的禽流感）。

We make a nature sanctuary for rare birds, prescribing absolute security for all species; and we may find that some common and hardy kind of bird multiplies beyond measure and ousts the rare kinds in whichwe were particularly interested.

我们为珍稀鸟类设立自然保护区，旨在确保所有物种的绝对安全；然而我们可能发现，一些生命力旺盛的普通鸟类就漫无限制地繁殖而那些我们特别感兴趣的珍稀品种却被驱逐了。

Shortly before the voyage was over, he mulled over what he had seen on the Galápagos:"When I see these islands in sight of each other, and possessed of but a scanty stock of animals, tenanted by these birds, but slightly differing in structure and filling the same place in Nature, I must suspect they are only varieties … If there is the slightest foundation for these remarks the zoology of the will be well worth examining; for such facts would undermine the stability of Species."

在这次航行结束前不久，他仔细思考了在加拉帕戈斯群岛上看到景象：&那些岛屿相互毗邻，彼此可以看见，仅仅拥有少量的动物，栖息着一些结构略微不同并且在自然界中存在于相同的地方的鸟类，当我看到这些岛屿时，不由得猜想这些鸟类仅仅是一些变种……。即使这些观察有最少的基础，加拉帕戈斯群岛的生物学也将是完全值得考察的，因为这些事实将摧毁物种稳定的观念。&

The migration birds and local settle down the birds excrement fromairborne descends to in the farm open area, then, volatilizes to theair in or mixes the chicken group and in the cow group feed, theauthor believes latter possible bigger somewhat.

迁移的鸟类和本地定居的鸟类粪便从空中降落到农场的空地上，然后，挥发到空气中或者混合到鸡群和牛群的饲料里，作者更相信后者的可能性更大一些。

Bird song is quite complicated and plays an important role in a bird's life history .

中文摘要：鸟类鸣声复杂，在鸟类的生活史中具有重要意义。

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