事实上，世界上有37种海马是鱼，它们通过鳃呼吸，用鱼鳔来控制浮力。
Indeed, the world's 37 species of seahorse are fish, breathing through gills and using a swim bladder to control their buoyancy.
在陆地上，水的浮力支持消失了，植物不再浸泡在营养液中，空气会使植物变干。
On land, the supportive buoyancy of water is missing, the plant is no longer bathed in a nutrient solution, and air tends to dry things out.
当我逐渐适应了浮力，就看见成群结队的黄色小石斑鱼为了躲避梭鱼而藏在潜水船下方。
As I gradually adapted to buoyancy, I saw groups of small yellow groupers hiding underneath the dive boat to avoid barracuda.
它们还必须不停地游动以避免下沉，因为大多数鱼基本上或完全失去了鱼鳔，这个充满气体的囊帮助大多数其他鱼保持浮力。
They must also keep swimming to keep from sinking, since most have largely or completely lost the swim bladder, the gas-filled sac that helps most other fish remain buoyant.
计算机模型消除了研究人员最初的疑虑，证实了这个结构有足够的浮力在地幔内部缓慢上升，并且有足够的力量在它上升的同时推动非洲板块上升。
Dispelling researchers' initial doubts, computer models have confirmed that this formation is buoyant enough to rise slowly within the mantle and strong enough to push Africa upward as it rises.
潜水后获得中性浮力，潜水者完全没重量。
After diving and attaining neutral buoyancy, a diver is weightless.
生成冰的约束条件也自然产生了一个新的性质，即浮力。
The constraints that generate the crystal also generate an emergent property, namely, buoyancy.
结果形成中和浮力，使动物能够借助喷气推进移动。
The result had neutral buoyancy, allowing the animal to move by jet propulsion.
这个斯洛克姆被改装从海中获取能源来运转它的浮力推动系统。
It is a Slocum that has been modified to harvest the energy that it needs to operate its buoyancy-propulsion system from the sea itself.
在不同的冷却间隙下对悬浮力和导向力进行了测试。
Levitation force and guidance force are measured in different cooling gaps.
桥梁上部结构的综合花车，以提供稳定的和额外的浮力。
The bridge superstructure is integrated with floats to provide stability and additional buoyancy.
在这种强风航行中，使用的滑板更小，因为它浮力更大。
Smaller boards are used in this high-wind sailing, allowing for more lift.
海底板块移动得离中部山脊越远，额外的热能给予板块的浮力就越大。
That extra thermal energy gives the ocean plates more buoyancy as they move farther away from the ridges.
蒂姆·艾科特是《中性浮力：液体世界探险》(企鹅出版社)的作者。
Tim Ecott is the author of 'Neutral Buoyancy: Adventures in a Liquid World' (Penguin).
这种大西洋的海草有点像英国沿海生长的岩藻，含有很多有浮力的膜泡。
Like the fucus, which grows on British shores, this Atlantic vegetation contained buoyancy bubbles.
这些研究人员的机器人，身高仅仅6公厘，利用磁浮力即可升空。
The researchers use magnetic levitation to lift their robot, which is a mere 6mm tall.
在阿基米德发现浮力原理之后，这位古代希腊学者大声叫着：“我找到了！”
After he discovered his principle of buoyancy, the ancient Greek scholar Archimedes allegedly yelled out "Eureka!"
这样的结构具有中性浮力，使得鹦鹉螺能够靠后推力移动（像枪乌贼一样）。
The result had neutral buoyancy, allowing the animal to move (like squid) by jet propulsion.
当浮力把空气向上推，而重力又把它向下拉的时候，就会形成大气的重力波。
Atmospheric gravity waves form when buoyancy pushes air up, and gravity pulls it back down.
这些色彩斑斓的生物属紫螺科，足部产生的气泡可产生使它们浮在水面的浮力。
The colourful creatures, who are members of the Janthinidae family, stay alive by attaching their feet to the bubbles they carry to give them buoyancy.
囊泡的气体和一条细长的形态存在，应大力改善其在弗里克塞尔湖完全粹水层浮力。
The presence of gas vesicles and a long thin morphology should greatly improve its buoyancy in the completely unmixed water column of Lake Fryxell.
女性，一般来说比男性的脂肪比例高，这让她们在浮力上有更大的优势。
Women, in general, have a higher body percentage of body fat than men, giving them a buoyancy advantage.
这并不改变航行器的质量，但是减小了它的体积，这将降低它的浮力并使它慢慢下沉。
This does not change the craft's mass but decreases its volume, which lowers its buoyancy and makes it slowly sink.
不是所有有浮力的物体都能露在水面外，因为来自上面的水压随着水深而变化。
Not all buoyant objects ride the surface, as the water pressure from above varies with water depth.
相比之下，几乎所有商船的底部都是平的，因为这样可以为庞大的金属船壳提供更大的浮力。
Almost all cargo vessels, by contrast, have flat bottoms, which allow a larger volume to be kept buoyant for a given amount of hull metal.
快速上浮通常是不受控制的，可能由充气过度，浮力控制差，配重过轻或慌张引起。
Rapid ascends are often uncontrolled and can be caused by over inflation, poor buoyancy control, being counterweighted or panic.
其它东西，包括发动机，电子设备和用于浮力的轻型泡沫都置于舱外的机身上，以减轻重量。
Everything else, including the motors, electronics and the lightweight foam that buoys the vehicle, is housed outside the hulls in the fuselages, saving weight.
而这一湿一干两种方法，都要求设计师考虑到房屋结构本身的浮力，并确保房屋根基不受洪水的侵蚀破坏。
In both cases, designers should consider the buoyancy of the structure and ensure that the foundation is protected from the erosive effect of floodwaters.
大气压力和已经被发现的深海里的低温环境应该会保持CO2有负浮力，也就是它会在水里下沉而不是上浮。
The atmospheric pressure and low temperatures found in the deep ocean environment should keep the liquid CO2 negatively buoyant , meaning it will sink rather than float.
大气压力和已经被发现的深海里的低温环境应该会保持CO2有负浮力，也就是它会在水里下沉而不是上浮。
The atmospheric pressure and low temperatures found in the deep ocean environment should keep the liquid CO2 negatively buoyant , meaning it will sink rather than float.
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