查询词典 swimming bladder

They don ' t have an air bladder like other fish, and so they must keep swimming forward or they will sink to the bottom of the sea.

他们没有鱼鳔，air bladder，如果不游动就会马上沉入海底。

Most bony fishes have a swim bladder, a gas- filled organ used to adjust swimming depth.

大部分硬骨鱼有鳔，这是源于消化管的憩室，司控制浮力或为辅助呼吸器官。

Most bony Fish es have a swim bladder, a gas-filled organ used to adjust swimming depth.

大部分硬骨鱼有鳔，这是源于消化管的憩室，司控制浮力或为辅助呼吸器官。

Swim Bladder Disorder swim bladder disorder happens more in the fancy goldfish and is a problem with him swimming where he will seem to be floating up near the top of the tank or down at the bottom.

游泳膀胱障碍游泳膀胱紊乱情况多在花式金鱼，是一个问题，他游泳在那里他将似乎是浮靠近顶部的坦克或向下处于低谷。

All sharks lack a swim bladder , so that their bodies are not buoyed up in the water and they have to keep swimming or they sink

体内没有鱼鳔，因此身体不会自动浮升，必须不断游泳，防止沉下水底。

Ross says: There are a lot of fish in the ocean in vast, they have swimming bladder

罗斯说：在浩瀚的海洋里生活着很多鱼，它们都有鱼鳔

For example,"the principle and application of multi-balance heat change" is about saving energy;"Questioning about the function of swimming bladder" is about biology;"the research of the formation thunder and the method of lightning energy" is about meteorology;"several hypothesis of the formation and change about the earth magnetic phenomenon" is about astronomy.

如在节能方面的&多点平衡热交换原理及应用&；在生物方面的&对鱼鳔功能的质疑&；在气象方面的&雷电生成原因探究及利用雷电发电方法&；在天文方面的&对地球磁现象生成及变化的几个假设&。

A fish has a swimming bladder inside it—that is, a sack containing air. If it wants to dive deep down and stay down, it squeezes out some of the air and lets in water.

鱼肚里有鱼鳔，也就是盛空气的袋子，如果它要潜下深水不上来时，就吐出一些空气，把水换进去。

In this design, according to the principle of crank-rocker, a special four-bar linkage swaying mechanism combined with the flexible tail fin is adopted to guarantee the stable swimming of robofish. The skillful application of hall position sensors achieves the detection of critical position of the swing link, which makes it possible to detect the position of the tail fin and control the turning of robofish. For effective raising and lowering, a mechanism using a cylinder as a pump to imitate the swimming bladder is developed.

在该方案中，应用曲柄摇杆原理，采用了特殊的四连杆摆动机构，结合柔性尾部实现了机器鱼的摆动式推进；巧妙应用了霍尔位置传感器，检测摆杆临界位置，实现了鱼尾位置判断，进而控制鱼尾来转向；研制了以气缸为压缩泵的气路沉浮机构作为&鱼鳔&，能使机器鱼进行沉浮动作。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。