齿鲸

Whales can be divided into two groups — baleen and toothed.

鲸鱼可以分成两类-须鲸和齿鲸。

You question me about the wicked tusk of the narwhal

你问我关于巨齿鲸凶恶的长牙

Scientists group most dolphins (31 species) in the family Delphinidae , part of the suborder Odontoceti, or toothed whales.

大多数科学家小组海豚(31种)在家庭delphinidae，一部分隶属齿或齿鲸。

They are part of the family of toothed whales that also includes killer and pilot whales.

他们的一部分，家庭齿鲸也包括杀手和试点的鲸鱼。

It belongs to a group of whale called toothed whales .

它属于鲸鱼分类中的一组称为有齿鲸。

The first jump in brain size happened 39 million years ago, when odontocetes (members of an order that includes dolphins, toothed whales, sperm whales, beaked whales and porpoises) diverged from their ancestral Archaeoceti group.

海豚的大脑体积的第一次跳跃式增长发生在3千9百万年前。那时，齿鲸亚目(该目包括海豚、齿鲸、抹香鲸、喙鲸等成员)从古鲸亚目中分离出来，而其中的一些成员，特别是现代海豚的祖先，体型减小，大脑体积增大。

NJ cluster analysis indicated that subclass Mysticeti is a monophyly whereas subclass Odontoceti is a polyphyly, including Delphinoidea, Physeteroidea, Ziphioidea and Platanistoidea.

NJ聚类分析结果与目前的主流观点基本相同，即须鲸亚目形成单系群而齿鲸亚目则为多系群，后者包括海豚总科、抹香鲸总科、喙鲸总科和淡水豚总科。

Any of several gregarious toothed whales of the genus Phocaena and related genera, of oceanic waters, characteristically having a ''.

鼠海豚一种鼠海豚属小型群集齿鲸，其共同特点是生活于海洋中，生有''。

Any of several gregarious toothed whales of the genus Phocaena and related genera, of oceanic waters, characteristically having a blunt snout and a triangular dorsal fin.

鼠海豚一种鼠海豚属小型群集齿鲸，其共同特点是生活于海洋中，生有钝圆白的吻部以及三角形的背鳍

Porpoise Any of several gregarious toothed whales of the genus Phocaena and related genera, of oceanic waters, characteristically having a blunt snout and a triangular dorsal fin.

Also called sea hog 鼠海豚：一种鼠海豚属小型群集齿鲸，其共同特点是生活于海洋中，生有钝圆白的吻部以及三角形的背鳍也作 sea hog

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。