查询词典 fin

To avoid the swing of forebody of robotic fish with single tail-fin,a kind of robotic fish with double tail-fin was designed and was used in SWATH.

针对单尾鳍摆动存在的机器鱼的摇艏问题，设计出双尾鳍仿鱼推进器，并将其应用于小水线面双体船，制作了仿生双尾推进的实验平台，在水池中进行了双尾推进试验研究。

If you go to a Cantonese seafood restaurant grades enough to see, you will find an interesting phenomenon: like what the abalone shark's fin, geoduck, braised shark's fin large, reference goose Cheng Liao Abalone Sauce pot, secret system, Abalone casserole and other dishes are generally loved by men, while the wings papaya, papaya stew Xueha ointment were all objects of the woman's disk.

如果你去一家海鲜酒楼粤语等级不够看，你会发现一个有趣的现象：像什么鲍鱼鱼翅，象拔蚌，红烧鱼翅大，参考鹅程廖鲍鱼汤锅，保密系统，鲍鱼和砂锅其他菜一般人喜爱，而翅膀木瓜，木瓜炖雪蛤膏是女子的磁盘上的所有对象。

In the second part the pectoral fin motion model of 2 degrees and 3 degrees of freedom is constructed. Also we use Unsteady Vortex Lattice Method to analyze the hydrodynamic performance of the pectoral fin motion.

第二部分建立刚性胸鳍二自由度、三自由度的运动模型，并用非定常涡格法计算和分析了胸鳍的水动力性能。

Swimming upright body, dorsal fin and pectoral fin swinging, swimming forward.

游泳时直立身体，摆动背鳍和胸鳍，游泳前进。

Pectoral fin of up to the end of the ventral fin starting point.

胸鳍末端可达腹鳍起点。

The leafy sea dragon propels itself by means of a pectoral fin on the ridge of its neck and a dorsal fin on its back closer to the tail end.

海龙的叶菜驱使一个手段本身的胸鳍上一脊其颈部和背鳍的背部接近尾声。

Pectoral fin long, far more than the end of the ventral fin base.

胸鳍长，末端远超过腹鳍基部。

The experimental results prove that an IPMC based centimeter scale micro robot fish is feasible. The velocity control can be realized by changing frequency and duty ratio of the control signal, and ascent-descent, turning, cruising can be realized by the cooperation of pectoral fin and caudal fin.

实验结果证明，基于IPMC的厘米级机器鱼是可行的：通过改变控制信号的频率和占空比，实现微型机器鱼的速度控制；通过控制胸鳍和尾鳍，实现上浮、下潜、转弯、巡游等运动模式。

Any of several rays of the family Mobulidae,inhabiting tropical and subtropical seas and having a large flattened body,winglike pectoral fin s,a whiplike tail,and two hornlike fin s that project forward from the head.

蝠鲼任一种蝠鲼科的鳐鱼，生活在热带或副热带海域，有大而扁平的身体和翼状的胸鳍，以及鞭状的尾，头的前部有两个角状的向前突出的鳍

His paper established the physics model for the newly developed under water bio-robot Robo-Mackerel moving about under the pattern of the swinging of its pectoral fin, and the motion equation of the swinging of mechanical pectoral fin was presented.

对新近研制的仿生水下机器人Robo-Mackerel，建立其在胸鳍摆动模式下游动的物理模型，并给出机械胸鳍摆动的运动方程。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷