查询词典 anal fin

They have a dark, enlarged dorsal fin and a small mouth with fine teeth on both jaws.

他们有黑、扩大背翅特别是男性）对这两个下巴细齿的小口。

When a female enters a territory, males court her with displays of the dorsal fin.

女性进入了一个全港，男性法庭她与显示的背鳍。

It was blooding as the shark's dorsal fin was cut off.

鲨鱼的背鳍处被砍下了后在流血。

Her dorsal fin and her flippers are very large for such a small delicate dolphin.

她的背鳍和胸鳍很大。

The male's dorsal fin can be as tall as a man.

它们在海中巡视等待攻击机会。

Bony freshwater fish Amia calva of central and eastern North America , with a long , spineless dorsal fin .

弓鳍鱼北美洲中部和东部的一种原始，多骨的淡水鱼，具有长的无脊的背鳍

The shark's dorsal fin was cut off by the fishman.

鲨鱼的背被渔夫割了下来。

Now he speeded up as he smelled the fresher scent and his blue dorsal fin cut the water.

它闻到了这新鲜的血腥味，此时正加快了速度，蓝色的脊耆划破了水面。

His dorsal fin was down and his huge pectorals were spread wide.

它的脊鳍朝下耷拉着，巨大的胸鳍大张着。

The shark's dorsal fin was cut off by the fisherman.

鲨鱼的背鳍被渔夫割了下来。

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。