查询词典 anal fin

Meanwhile,the swing model of fish tail fin is established and simplified.

对鱼的尾鳍摆动进行了力学建模，并加以简化。

The project using mechanism structure to simulate tail fin flapping is finally put forward, which is validated by simulation.

提出用机械结构运动模拟机器鱼尾鳍拍动的解决方案，并通过仿真进行了验证。

By using H-R element, dynamic characleristics of a composite tail fin were calculated and satisfactory resu...

运用H－R元素计算了导弹复合材料立尾的动力持性，取得了满意的结果。

Some of the fish do not have tail fin, but they can swim.

这种鱼没有躯干，胸鳍长在头上，鱼头后面就是尾鳍，有的鱼甚至连尾鳍都没有，但它们却都能在水中游动。

The tail fin is significant because it is a major structural component, whose failure has contributed to past crashes.

尾翼意义重大的原因在于它是一个主要的结构部件，过去许多坠机事件都与尾翼失灵有关。

Likewise, the animal's tail fin and flipperlike hind limbs suggest an aquatic lifestyle.

牠的尾鳍与鳍状的后肢也同样显示了水中的生活方式。

Flipping control of the tail fin with two degrees is a problem of motion control in the condition of high speed and heavy load.

两关节尾鳍拍动控制是一个在高速、大载荷下的运动控制问题，它要求同时保证速度和位置波形失真都比较小。

The aircraft has a long tail fin.

那架飞机有一个长长的尾翼。

Any of a breed of goldfish having a wide, fanlike double tail fin.

双翅目的数翅目科的或与双翅目相关的；双翅目的

Game fish of S California and Mexico having a yellow tail fin .

加利福尼亚和墨西哥水域中长黄色尾鳍的猎用鱼。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。