鳍科的

Spotted seals called Western Pacific Cod Seal,belong to Carnivora,Caniformia,Phocidae,Phoca,They are second-class protection animals of China.

斑海豹又称西太平洋斑海豹，属食肉目、犬形亚目、海豹科、斑海豹属，是唯一能在我国海域繁殖的鳍足类动物，属国家二级保护动物，渤海辽东湾是全球斑海豹8个繁殖区之一。

The Esral'sa'Nikto, or "Mountain Nikto," are hornless, have blue-gray skin, and thermoregulating fins growing from their cheeks.

Esral'sa'Nikto，又被称为"山地尼科托人"，他们没有角，皮肤灰蓝，面颊上长有调节体温的鳍状物。

"Either of the two largest pinniped species: the northern elephant seal, of coastal islands off California and Baja California, or the southern elephant seal, of sub -Antarctic regions."

鳍脚亚目海豹科两种最大的鳍脚类水生哺乳动物的统称，即︰北方小吻象海豹，主要栖于加州和墨西哥下加利福尼亚的沿海岛屿；南方象海豹，栖于整个南极附近地区。

The RAPD results illustrate that the phylogenetic relationship betweenBothriocephalid tapeworm parasitic in Grass carpCtenopharyngodon idellus(C.et V.and Common carp(Cyprinus carpio L.)from different regions ofChina is infraspecific with noticeable variance bwtween them.Thephylogenetic trees based on the 3 sequences analyses above are constructed,which show the following relationships:Bothriocephalid tapeworms fromGrass carp,Common carp and Luciobrama are found to be monophyletic,and are very close to Bothriocephalus opsariichthydis,but are divergent toanother monophyletic group comprising Bothriocephalid tapeworms fromZacco,Hemiculter and Leuciscus.On the basis of phylogenetic reconstruction,autapomorphic species conceptis used in species delimitation suitablefor determining four species in the present study:B.acheilognathi,B.opsariichthydis,and two other bothriocephalids parasitic respectively inHemiculter and Leuciscus.It is also deduced that the differentiation time ofBothriocephalid tapeworms parasitic in cyprinids is earlier than that of theirhosts,and the most recent specification happened about one million yearsago.Key words Bothriocephalid tapeworm Molecular Systematics

具体成果有：通过RAPD分析探明了我国不同地理分布的草、鲤鱼头槽绦虫的亲缘关系属于种下水平，并存在较高变异；通过基因合并分析重建头槽绦虫的系统发育关系，表明草鱼、鲤鱼及鯮鱼头槽绦虫是单系群，它们与马口鱼头槽绦虫亲缘关系较近，而与〓条、宽鳍鱲及雅罗鱼头槽绦虫构成的另一单系群亲缘关系较远；在此基础上，提出符合头槽绦虫种的界定的独征物种概念，据此确定鲤科鱼类寄生头槽绦虫的四个种：鱊头槽绦虫，马口鱼头槽绦虫，以及另两种分别寄生于〓条和雅罗鱼的头槽绦虫：根据上述研究推断鲤科鱼类寄生头槽绦虫的分化年代早于其宿主，最近的一次物种形成距今约一百万年左右。

Any of various freshwater fishes of the family Cyprinidae related to the carp s and minnows,especially a Eurasian species,Leuciscus cephalus.

白首鲤一种相关于鲤鱼和鲦鱼的鲤科淡水鱼，尤指欧亚品种，圆鳍雅罗鱼

Any of various freshwater fishes of the family Cyprinidae related to the carps and minnows, especially a Eurasian species, Leuciscus cephalus.

白首鲤一种相关于鲤鱼和鲦鱼的鲤科淡水鱼，尤指欧亚品种，圆鳍雅罗鱼

Any of various small,soft - finned fishes of the family Cyprinodontidae,which includes the killifishes,topminnows,and many species popular in home aquarium s.

科中的一种小软鳍鱼，其中包括？、底？和许多家庭观赏鱼中常见的品种

Any of various small, soft-finned fishes of the family Cyprinodontidae, which includes the killifishes, topminnows, and many species popular in home aquariums.

鳉鳉科中的一种小软鳍鱼，其中包括鳉、底鳉和许多家庭观赏鱼中常见的品种

Any of various colorful tropical marine fishes of the family Ostraciidae, having a body enclosed in bony armorlike plates with only the mouth, eyes, fins, and vent exposed.

箱魨箱魨科中的一种多彩热带海洋鱼，身体由骨质盾片所包围，只有嘴、眼睛、鳍和睦门外露

The Ag-NORs of 7 species in Abramidinae,namely Culter erythropterus,Erythroculter dabryi,E.ilishaeformis,E.mongolicus,Hemiculter leucisclus,Megalobrama amblycephala and Parabramis pekinensis were studied.

本文研究了红鳍鲅、青稍红鲅、蒙古红鲅、翘嘴红鲅、CAN条、团头鲂和长春鳊等7种鲅亚科鱼类的银染带。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。