鳍形

Any of various aquatic, carnivorous mammals of the families Phocidae and Otariidae, found chiefly in the Northern Hemisphere and having a sleek, torpedo-shaped body and limbs that are modified into paddlelike flippers.

海豹：任一种海豹科和海狮科的海栖食肉类哺乳动物，主要生活在北半球，有光滑鱼雷形的躯体和已演化为桨状的鳍

Seal Any of various aquatic, carnivorous mammals of the families Phocidae and Otariidae, found chiefly in the Northern Hemisphere and having a sleek, torpedo-shaped body and limbs that are modified into paddlelike flippers.

海豹：任一种海豹科和海狮科的海栖食肉类哺乳动物，主要生活在北半球，有光滑鱼雷形的躯体和已演化为桨状的鳍

Any of numerous spiny-finned fishes of the order Perciformes.

鲈形目中多种有刺鳍的鱼。

English Abstract): Thunnus albacares which belongs to Perciformes and Scombridae is a significantly migratory economic species.

中文摘要：黄鳍鲔隶属於鲈形目、鲭科，为重要之洄游性经济鱼种。

Of or relating to the Percoidea,a large suborder of spiny - finned fishes that includes the perch es,sunfishes,groupers,and grunts.

鲈形亚目属于或关于鲈鱼目的，包括河鲈、翻车鱼、石斑鱼和石鲈的针鳍鱼类的大亚目

Of or relating to the Percoidea,a large suborder of spiny - finned fishes that includes the perches,sun fishes ,groupers,and grunts.

鲈形亚目属于或关于鲈鱼目的，包括河鲈、翻车鱼、石斑鱼和石鲈的针鳍鱼类的大亚目

Of or relating to the Percoidea,a large suborder of spiny - fin ned fishes that includes the perches,sunfishes,groupers,and grunts.

鲈形亚目属于或关于鲈鱼目的，包括河鲈、翻车鱼、石斑鱼和石鲈的针鳍鱼类的大亚目

The results indicate that the cyprinids form a monophyletic group while the non-cyprinid cypriniforms form another one,which is in accordance with the hypothesis proposed by Siebert.

鲤科鱼类包含3个主要的分支，即鱼丹系、鲤系和雅罗鱼系；但在非鲤科鲤形目鱼类中，其关系不能得到很好的解决，其中鳅科是复系，平鳍鳅科、条鳅亚科和花鳅亚科可能有较近的亲缘关系。

Then, with incredible gentleness for such an enormous creature, the larger manatee nudged the little one with her paddle-shaped flipper and pushed it to the surface beside me.

对如此巨型的动物来说，它简直太温和了，那只大些的海牛用她的桨形鳍将小的那只轻推至我旁边的海面。

I hauled up two fish which I kept: a plump yellow fish spotted in green with a thin dorsal fin and an overbite and a puny blue torpedo-shaped guy with a Chinese junk sail of a top fin.

我抓到两条鱼并把它们拖了上来：一条胖胖的有黄色斑点的黄色的鱼，有一条薄薄的背鳍和一个天包地的牙，另一条弱不禁风的蓝色鱼雷形的家伙在顶鳍上长着中国式帆。

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。