Heterodontoidei是什么意思

网络释义

用法例句

The sequences were combined with homologous sequences of other 4 shark species to analyse the molecular systematics of Pleurotremata.

通过PCR及PCR产物的直接测序技术测定了5种鲨12S rRNA基因的部分核苷酸序列,并与其它鲨的相应序列合并,探讨了鲨类不同类群的分子系统学。

Fatty acid composition of the liver oils from common species of sharks and rays off southern and middle Fujian coastal waters is similar, and the major fatty acids include 16:0(14 9%～23 7%), 18:0(5 3%～10 4%), 18:1 ω 9(8 6%～16 9%), 16:1(3 4%～7 5%), 20:4 ω 6(3 8%～14 7%) and 22:6 ω 3(10 7%～36 9%).

闽南及闽中近海鲨鳐类肝油的脂肪酸组成相似 ,主要的脂肪酸包括 1 6 :0(1 4 9%～ 2 3 7% ) ,1 8:0 (5 3%～ 1 0 4% ) ,1 8:1ω 9(8 6 %～ 1 6 9% ) ,1 6 :1 (3 4%～ 7 5 % ) ,2 0 :4ω 6 (3 8%～ 1 4 7% )和 2 2 :6ω 3(1 0 7%～ 36 9% ) 。

Sterol composition in the liver oils of common species of sharks and rays off southern Fujian coastal waters was extremely simple and cholesterol was the only component sterol present in all the livers analyzed The cholesterol content in the liver oils of these species ranged from 0 114%～0 541%.

闽南近海常见鲨鳐类肝油的甾醇组成都极其简单,胆甾醇是唯一的成分。

Genetic diversity of spadenose shark(Scoliodon laticaudus) in coast sea of southern China;

中国南部沿海尖头斜齿鲨遗传多样性研究

MATHEMATICAL ANALYSIS IN THE EMBRYONIC DEVELOPMENT OF THE Spadenose Shark, Scoliodon laticaudus (Müller et Henle);

尖头斜齿鲨胚胎发育中的数理分析

Preliminary study on biological characteristics of spadenose shark,Scoliodon laticaudus,caught from coastal waters of Zhejiang province;

浙江沿海尖头斜齿鲨生物学特征的初步研究

(4) The Scyliorhinoids by 4 families (Scyliorhini-dae, Triakidae, Carcharhinidae and Sphyrnidae), 19 genera and 43 species;

(4)猫鲨类,有猫鲨、皱唇鲨、真鲨和双髻鲨4科19属43种;

ETMOPTERUS SPINAX (LINNAEUS,1758),A NEWLY RECORDED SPECIES OF THE FAMILY SQUALIDAE FROM CHINA

黑腹乌鲨——中国角鲨科鱼类一新纪录种

There are more than two hundred and fifty species of shark.

鲨鱼种类达250种以上。

as the hard flattened scales of e.g. sharks.

类似鲨鱼之类的板状硬鳞。

"fish (stingrays, spiny sharks, certain catfish, puffers); lizards (Gila monsters, Beaded lizards); "

某些鱼类(如刺魟、鲈、河豚、鲨、鱼、银鲛、鼠鲨、某些);几种蜥蜴(希拉毒蜥);

comprising only the basking sharks; in some classifications considered the type genus of a separate family Cetorhinidae.

只包括姥鲨；在某些分类系统中认为是姥鲨科的单独一科的模式属。

type genus of the family Alopiidae; in some classifications considered a genus of the family Lamnidae.

长尾鲨科的一个模式属；在某些分类系统中认为是鼠鲨科的一个属。

in some classifications another name for the family Lamnidae.

在某些分类中是鼠鲨科的别名。

Most people fail to realize that shark attacks don't happen very often.

大多数人都不了解，鲨鱼其实很少攻击人类。

The oceans boast world-class diving with a kaleidoscope of fish patrolling sprawling reefs and creaking shipwrecks.

有笼罩在烟雾中的丛林，躁动不安的火山，有巨大的鲸鲨，还有其它种类的阴险狡猾的鲨鱼。

Those needle-like choppers are better suited to fleshier forms found in the deep sea, such as squid and other sharks.

和深海里的其它鲨鱼和鱿鱼等鱼类相似，皱鳃鲨的牙齿也像针头一样。

The chances of being attacked by a shark are very small compared to other dangers.

相对于其他危险而言，人类遭受鲨鱼攻击的机率其实是很小的。

A shocking 100 million sharks are killed every year around the world by humans.

每年全球有1亿只鲨鱼被人类捕杀，这个数字令人震惊。

any of numerous fishes of the class Chondrichthyes characterized by a cartilaginous skeleton and placoid scales: sharks; rays; skates.

众多的软骨鱼类；以软骨骨架和板状鱼鳞为特征，包括鲨、鳐、灰鳐。

You are interested in the sea. You want to find some information about different kinds of sharks.

你对海洋很感兴趣。你想找到一些关于不同种类的鲨鱼的信息。

Thousands of sharks are hunted in Asia for special foods, such as shark fin (鱼翅) soup.

在亚洲，成千上万的鲨鱼被捕杀，做成了鱼翅汤之类的特色菜肴。

sharks with broad flat bodies and winglike pectoral fins but that swim the way sharks do.

身体又宽又平，翼状的胸鳍，游动姿势与一般鲨鱼类似。

Study on Separation and Purification of Shark Cartilage Polysaccharides and Their Anti-Rheumatoid Arthritis Mechanisms;

鲨鱼软骨多糖的分离纯化及其抗类风湿性关节炎作用机制研究