cetaceans

Cetaceans reduce the number of breaths they take during rest periods .

鲸类动物在休息时减少它们的呼吸次数。

It is not clear whether cetaceans undergo dream sleep .

鲸类动物是否经历梦睡眠还不清楚。

At new risk are cetaceans like the North Atlantic right whales .

对北大西洋露脊鲸这类鲸目科动物来讲同样面临着这种新的致命危险。

Cetacean diet , feeding method and the relationship with fishery

鲸的食性、摄食方式及其与渔业的关系

Some advances in the studies of cetaceans in Chinese waters were reviewed .

综述近年来中国鲸豚类的保护遗传学研究进展。

The Research , Husbandry and Reproduction of Cetacean and Aquarium Construction in Japan

日本鲸类的研究、饲养、繁殖及水族馆的建设

The result suggested that level of sequence variation of cetacean c - mos genes was low .

结果表明鲸类的c-mos基因遗传变异水平较低。

A survey on the incidental catches of small cetaceans in coastal waters of China

中国沿岸小型鲸类误捕情况的调查

A Preliminary Study on the Sequence Variability of Cetacean c-mos Genes and its Application in Phylogenetic Analysis

鲸类c-mos基因的序列变异性及在系统发生分析中应用的初步研究

I observed it carefully , trying to find out the nature of this gigantic cetacean .

我很注意地观察它，想法辨认这条巨大晾鱼类动物的性质。

Records of Cetaceans in the Southern Taiwan Straits and along the Coast of Southern Fujian Province

台湾海峡南部及闽南沿岸的鲸豚记录

The skull also lacks a blowhole , another cetacean adaptation for diving .

头骨也缺少一个气孔，这是鲸鱼用来适应水下潜水进化而成的。

Any of several small gregarious cetacean mammals having a blunt snout and many teeth .

吻部钝圆并长很多牙齿的几种小型群居的鲸类哺乳动物。

The Lipotes brain exhibits typical cetacean characteristics .

白鱀豚的脑表现出典型的鲸脑特征。

Which means more dead whales . Cetaceans and other marine life rely on their ears to navigate .

鲸类动物以及其它海洋生物依靠耳朵来辨别方向。

The method to extract genome DNA from old skeletal specimens of cetaceans was improved and the PCR amplification reaction was optimized .

改进了从鲸类陈旧骨骼标本中进行基因组DNA提取和PCR扩增的方法。

No argument , sir , since our craft breathes in the manner favored by cetaceans .

那不用说，先生，因为我们的船是跟鲸鱼类一般呼吸的。

If it was a cetacean , it exceeded in bulk any whale previously classified by science .

如果这东西是鲸鱼类动物，那么它的体积：是大大超过了生物学家曾经加以分类的鲸鱼。

But no doubt the cetacean itself had warmed up , because without the least trouble , it also did 19.3 .

但这条鲸鱼也添了火力，因为它一点不困难地也以十九点三海里的速度走动。

Sex Identification of Cetaceans by PCR with Sry-Specific Primers

PCR扩增Sry基因进行鲸类动物性别的鉴定

But tell me , isn 't that the noise cetaceans make when they spurt water from their blowholes ?

不过，请您告诉我，这声音是不是那鲸鱼类动物鼻孔吐水时所发出来的声音呢？

Rearing of cetaceans in captivity in China

中国鲸类动物的人工饲养

Cetacean ( e.g. , right whale ) blubber can be over 50 cm thick .

鲸目动物如露脊鲸的脂肪层可厚达50公分。

Although limited to a skull , the Pakicetus fossil provides precious details on the origins of cetaceans .

尽管只有头盖骨，P化石仍然提供了关于鲸鱼起源宝贵的细节。

Further study on the relation between trace element and life function should be one of most important field for the development of cetacean nutritional chemistry and ecological toxicology .

更深入地研究各组织、器官中微量元素与生命机能的关系，应该是鲸类动物微量元素的营养化学和生态毒理学发展的重要方向之一。

A notable exception are the cetaceans , which we all know as dolphins and whales .

鲸类动物，正如我们知道的海豚和鲸鱼则是个显著的例外。

I 've chased plenty of cetaceans , I 've harpooned a good number , I 've killed several .

鲸科动物，我追逐过许多，我用鱼叉叉过很多，我也杀死过好几条，

Ned , I asked him , how can you still doubt the reality of this cetacean we 're after ?

兰，我问他您怎么能怀疑我们追逐着的鲸鱼类动物的存在呢？

Applicability of cetacean microsatellite primers in the Yangtze finless porpoise

鲸类微卫星引物对长江江豚的适用性研究

Any of the larger cetacean mammals having a streamlined body and breathing through a blowhole on the head .

任何比较大的哺乳动物，流线型的身体，通过头顶的喷水孔呼吸。