He is reeling up a tail of fish .

他正钓起一 条鱼。

The side force generated by swing of tail fin will influences the propulsive efficiency of robot fish .

由 尾鳍拍动产生侧向力导致的机器 鱼的艏摇能够影响航行器的推进效率。

I cut the tail off before I cook the fish .

我在煮之前先切掉 鱼尾。

He ragged edges has sheared away . I cut the tail off before I cook the fish .

切掉了参差不齐的边。我在煮之前先切掉 鱼尾。

In the Chinese folklore the dragon has a snake 's body a lizard 's legs an eagle 's claws a snake 's tail a deer 's antler and a fish 's scales .

在中国的神话与传说中，龙的形象具有蛇身、蜥脚、鹰爪、 蛇尾、鹿角和 鱼鳞。

Large pelagic shark of warm seas with a whiplike tail used to round up small fish on which to feed .

温带水域的大浮游带鲨鱼，长有一条鞭子似的 尾巴用来围捕水面的 小鱼吃。

One piece of Ionic conducting polymer Film ( ICPF ) is set on the tail of the bionic robot fish .

由一片离子导电聚合物薄膜（ICPF）材料作为仿生机器 鱼 的 鱼尾。

Freshwater fish of Central America having a long swordlike tail ; popular aquarium fish . flesh of swordfish usually served as steaks .

中美洲有剑一样长 尾巴的淡水鱼；养 鱼池中很常见。剑鱼的肉，常用来做鱼片。

Take the two-joint robot fish as the research target the hydrodynamic force models of the fish body and the tail fin of the two-joint robot fish are developed .

选取两关节机器 鱼为研究对象，建立了鱼体水动力和 尾鳍水动力的计算模型。

Based on the analysis of the fish tail swinging characteristics the discrete equation of robot fish swinging is obtained thus the dynamic model of robot fish is achieved .

通过对机器 鱼尾鳍摆动特性的分析，得到了机器 鱼尾鳍摆动的离散方程，从而建立了机器鱼的动态模型。

Nonpasserine large-headed bird with a short tail and long sharp bill ; usually crested and bright-colored ; feed mostly on fish .

非雀形目中大头、短 尾并尖嘴的鸟；通常颜色鲜艳并有羽冠；主要以 鱼为食。

The results show that : Increasing the mass of fish appropriately and reducing the mass of the fish tail and the caudal fin especially reducing the mass of the caudal fin is contributed to reduce swinging of fish body .

结果表明：适当地增大鱼体的质量，减小 尾 柄和尾鳍的质量，尤其是减小尾鳍的质量，有助于抑制 鱼体摆动。