查询词典 anal fin

For the sake of raising the under water propulsion properties of Robo-Mackerel, An analytical discussion was made on the relationships of each dynamics parameters of the swinging of mechanical pectoral fin and the above stated targets, and the optimal value of each dynamics parameters were proposed.

为有效地提高Rob-Mackerel的水下推进性能，分析讨论了机械胸鳍摆动各运动学参数和上述指标的关系，并提出各运动学参数的最优值。

This findings are the first to provide in vivo evidences for IGFBP-3 playing an important role in regulating development and growth of pharyngeal cartilage and otic vesicle, differentiations of optic and motor neuron, as well as its involving in the development of eye, pineal gland and pectoral fin bud in zebrafish.

这些新的发现，首次提供在体证据证明 IGFBP-3 在调节斑马鱼咽弓、内耳的生长发育、视神经和运动神经的分化过程中起着重要作用，并参与调节眼睛、松果腺、胸鳍的发育过程。

A small croaker of North American Atlantic waters, having a dark mark above each pectoral fin and valued as a food and sport fish.

斑头鸽一种产于北美洲大西洋水域的喙上方有一斑点的鸟，胸鳍上带有黑色斑纹，可作肉用或训练捕鱼

The characters could be defined as 12 combined types based on that on the sides of the head and pectoral fin. The secondary sexual characters are of diversity, and might vary among different species or within same species from different river system or even from the same rivers.

高原鳅的雄性第2性征具有多样性，不同种类的雄性第2性征可能存在差异，分布在不同或相同水系的同一种类的个体间雄性第2性征也可能发生变化。

Any of various bottom - dwelling fishes of the family Antennariidae of tropical and temperate seas,characteristically having a prickly or warty globose body and pectoral fin s adapted for grasping.

鱼热带或温带海域中属？鱼科的海底鱼类，特点是有带刺或多疣的球形身体，善长用胸鳍捕食

Pl. spot or spots A small croaker of North American Atlantic waters, having a dark mark above each pectoral fin and valued as a food and sport fish.

spot 或 spots 斑头鸽：一种产于北美洲大西洋水域的喙上方有一斑点的鸟，胸鳍上带有黑色斑纹，可作肉用或训练捕鱼

In order to make the biomimetic robotic fish control its motion and posture with sensory information autonomously,an artificial central pattern generatorcontroller consisting of four neural oscillators with sensory information feedback is designed in this paper~ This controller can generate rhythm instructions to drive two pectoral fins and a tail fin flapping repeatedly.

采用的控制模型由4个振荡器构成，可根据反馈的信息产生节律信号以控制机器鱼胸鳍和尾鳍的运动。

Any of several large vigorous pelagic fishes resembling sailfishes but with first dorsal fin much reduced; worldwide but rare.

与旗鱼属相象的几种大型健壮的远洋鱼，但第一背鳍大部分退化；遍布但稀有。

Fins brownish with white edges, pelvic fin is white.

褐色白边的鱼翅盆腔翅为白色。

Any of various fishes of the family Cyclopteridae,especially Cyclopterus lumpus of North Atlantic waters,having pelvic fin s united to form a suction disk and a body bearing prominent tubercles.

圆鳍鱼圆鳍鱼科的几种鱼，尤其是北大西洋圆鳍鱼，有结合成吸盘的腹鳍，全身呈永久结节状

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。