鳍形

The tail region, bordered below by a long anal fin that the fish undulates to move about, contains the electric organs.

鳍的下缘有一长形臀鳍，依靠臀鳍的波动而游动。

The tail region, border ed below by a long anal fin that the fish undulates to move about, contains the electric organs.

鳍的下缘有一长形臀鳍，依靠臀鳍的波动而游动。

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。

A pleasant land it is in sooth of murmuring waters, fishful streams where sport the gurnard, the plaice, the roach, the halibut, the gibbed haddock, the grilse, the dab, the brill, the flounder, the pollock, the mixed coarse fish generally and other denizens of the aqueous kingdom too numerous to be enumerated.

他们睡得就像还活着似的。那真是一片欢乐的土地，淙淙的溪水，河流里满是嘻戏的鱼：绿鳍鱼、鲽鱼、石斑鱼、庸蝶、雄黑线鳍、幼鲑、比目鱼、滑菱鲆、鲽形目鱼、绿鳕，下等杂鱼以及水界的其他不胜枚举的鱼类。

The characteristics of three kinds of determination materials of Takifugu obscurusAbe,otoliths,vertebra and opercular had been described and compared the similarities and difference and veracity As a result,the otoliths are the best structure of judging age because the annual ring is very evidence and regularity;the vertebra is the better,it is difficulty of measure;the opercular is only the assistant material.

有关暗纹东方养殖生物学和病害的研究已有很多，但对其年龄鉴定却鲜见报道。在整个形目鱼类中仅见绿鳍马面年龄生长的报道，且作为年龄鉴定依据的材料仅限于脊椎骨[1]。

The sand skink is a small subterranean lizard that's virtually legless, and it swims through the sand - or just under the surface of the sand. And as it does so, it pushes up a little ridge of sand that falls down behind it, and it leaves these S-shaped curves.

沙蜥是小形的、地底下活动的蜥蝪，实际上没有脚(因为它的脚是像鳍一样推动前进而非行走)，在沙中或在沙下类似游泳前进，在它身后推挤出微小沙丘，留下s形的曲线。

Sturgeons, are primitive chondrosteans fish. Although morphologically similar with shark, they were classified to Class Actinopterygii.

鲟 为古老的软骨硬鳞鱼类，其外形与鲨鱼相近，却是属於条鳍鱼纲、软骨硬鳞亚纲、鲟形目。

Using waveguide as input port, inside the waveguide we use double antipodal fin-line transition, by adding try and E-T junction, we can adjust the amount of the branches to get more power output.

采用波导端口输入，在波导内部使用双对极鳍线过度，通过附加托盘和E-T形结，可以灵活的调整合成路数来加大功率输出。

Of the twenty-one species of Cypriniformes,there were twelve species belonging to Cobitidae,Homa...

在鲤形目鱼类中，鳅科、平鳍鳅科、爬鳅科共12种，占鲤形目鱼类的57.1%。

Sprinkled through its deep canyons and high windswept mesas are sandstone arches, hoodoos, pinnacles, domes, and fins.

少量贯穿深峡谷和高处暴露在风中的台地的，是拱形沙岩，峰林，穹地，和鳍形岩。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。