鲸类

It is not clear whether cetaceans undergo dream sleep.

鲸类动物是否经历梦睡眠还不清楚。

The fossil consists of a complete skull of an archaeocyte an extinct group of ancestors of modern cetaceans.

这些化石是由现代鲸类的祖先的原细胞的完整头骨组成。

Some of the senses that we and other terrestrial mammals take for granted are either reduced or absent in cetaceans or fail to function well in water.

一些我们及其他陆地哺乳动物的感官被认为不是减少就是缺少在鲸类身上或不能在水里运作得很好。

Some of the senses that we and other terrestrial mammals take for granted are either reduced or absent in cetaceans or fail to function well in water.

我们以及其他的一些哺乳动物理所当然的感觉在鲸类身上已经弱化或者不存在了。或者说这种感觉在水中不能正常发挥作用。

The massive cetaceans are intelligent, though they possess no technology.

虽然他们并未发展出任何科技，但这些巨大的鲸类动物有著高度的智力。

Unlike cetaceans, sharks do not use sound to communicate with each other.

不同于鲸类，鯊鱼不是用声音来彼此沟通。

Some of the senses that we and other terrestrial mammals take for granted are either reduced or absent in cetaceans or fail to function well in water.

从某种程度上说，人类和其它陆地哺乳动物一样，拥有少量甚至没有鲸类动物所特有的功能，因而理所当然的不能在水里。

Some of the more complicated sounds are clearly communicative, although what role they may play in the social life and 'culture' of cetaceans has been more the subject of wild speculation than of solid science.

一些更复杂的声音清楚地交流，尽管他们扮演的角色在社会生活和鲸类文明中比纯粹的科学有更宽泛的想法。

It is the home to a variety of wildlife, including the brown bears, the sika dears, the foxes, the Steller's sea eagles, the endangered Blackiston's Fish owl and the Viola kitamiana plant.

公园内是众多野生物种如棕熊、虾夷鹿、狐狸、虎头海雕、以及濒临绝种或当地特有的品种如毛腿渔鴞和知床堇等的天然生息地，对全球多种濒危海鸟、候鸟、三文鱼和海洋哺乳动物(如北太平洋海狮和部份鲸类)的生存繁衍亦十分重要。

In order to protect fisheries resources on the high seas, China has taken part in international activities to protect tunas, whales and other endangered species of marine life, acceded to the International Convention for the Conservation of Atlantic Tunas, and participated in the formulation of the Agreement to Promote Compliance with International Conservation and Management Measures by Fishing Vessels on the High Seas.

为了保护公海渔业资源，中国参与了保护金枪鱼、鲸类，以及濒危物种的国际活动，加入了《养护大西洋金枪鱼国际公约》，并参加了《促进公海上渔船遵守国际养护和管理措施的协定》的制定工作。

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