有趣的是，这些流体动力学的适应性变化和人类为了改进高速飞机在空气动力学方面的设计特点十分相似。
Interestingly enough, several of these hydrodynamic adaptations resemble features designed to improve the aerodynamics of high-speed aircraft.
发展中国家受空气污染影响最为严重，在一些地区，劳动力收入损失几乎相当于国内生产总值的1%。
The effects of air pollution are worst in the developing world, where in some places lost-labor income equals nearly 1% of GDP.
这并不奇怪，因为任何会飞的脊椎动物的设计都受到空气动力学的限制。
This is not surprising because the design of any flying vertebrate is subject to aerodynamic constraints.
如今，一种以使用周围空气中的氧气作为动力的新电池设计能够作为更加小巧，轻便的电力来源。
Now a new design of battery, which USES oxygen from ambient air to power devices, could provide even an smaller and lighter source of power.
核潜艇可以无限止地供应空气，水和动力，唯一对潜水时间有限制的是艇上的食品储量。
Nuclear submarines are able to provide their own infinite supply of air, water and power. Their only limitation for staying submerged is the amount of food on board.
在外面呼吸新鲜空气，换换环境，散个步会促进血液循环，让你有好心情和动力。
Getting outside for some fresh air, a change of scenery, and a quick walk to get your blood going will do wonders for your mood and motivation.
CitizenTarelkin车轮小巧，隐藏在符合空气动力学原理的车身下方，可以180度旋转。
The small wheels hidden underneath thevehicle’s aerodynamic shape are able to rotate 180 degrees.
为耐克空气动力一号(air Force1)25周年特别设计的牛奶巧克力鞋。
Delicious miniature milk and chocolate shoes were created for the 25th anniversary of Nike's Air Force 1.
如果这项技术得到完善，汽车就有可能部分地利用自己废气或者周围的空气提供动力。
If it's perfected, the technique could lead to cars partially powered by their own fumes or by the air around them.
我们只是还不知道怎么在航行的空气动力学方面，对飞机实现需要的控制。
We do not yet know how to achieve the desired control during the aerodynamic phase of flight.
也许主要的因素是赛车的空气动力学原因，我们应该着眼于减少空气动力学的影响，但这将是一个非常长期的过程。
Maybe because the main factor on these cars is the aerodynamics, we should look at reducing the aero effect, but that would be a very long term project.
飞机的超音速和空气动力学完成将空气压缩入引擎的任务。
Its supersonic speeds and aerodynamics do the job, compressing the air into the engine.
这个的原因可能是由于生理以及空气动力学两方面的。
The reasons for this are likely to be both physiological and aerodynamic.
除非你在空气动力学实验室工作，否则没有人知道汽车在空气的阻力下行驶时，75英里的时速比65英里要多消耗多少能量，事实是这个差距非常大。
Unless you work in an aerodynamic lab, you don't understand how much more energy it takes to push a car through the air at 75 MPH than at 65 MPH, but it's huge.
因为它们的两副翅膀叠在一起，在空气动力学的理论中，这意味着它们对自己身体缺乏控制力。
Because their two sets of wings effectively flap as one, that in theory gives them little control over the aerodynamic forces on their body.
通过更加符合空气动力学的形状和一个曲线尾巴的飞机结构，这些发动机将使飞行更有效率，同时会将绝大部分的噪音传向空气上方。
With a more aerodynamic shape and framed by a curved tail plane, these engines would make for a more streamlined aircraft, as well as directing most of their noise upward.
现代的飞机设计做得很好，但立足于燃料效率来看，飞机是否能设计得更符合空气动力学——降低阻力还是增加动力？
The modern airplane design works well, but from a fuel efficiency standpoint, could planes be designed more aerodynamically — to lower drag and increase lift?
在马来西亚我们还要对空气动力学进行改进，希望能提高我们的成绩。
We have some more aerodynamic improvements to do in Malaysia, which hopefully will further improve performance.
光学提拉力与机翼翼面产生的空气动力不同。
Optical lift is different from the aerodynamic lift created by an airfoil.
一些汽车和卡车司机紧随大型卡车之后行驶，利用空气动力学作用减少自身的燃油消耗，但是这种做法是相当危险的。
Some car and lorry drivers try to exploit this aerodynamic effect by tailgating big trucks to reduce their own fuel consumption. But it is exceedingly dangerous.
尽管价格不菲，但是这将提升空气动力进而减少3%- 4%的燃油消耗-对于被高油价弄得苦不堪言的航空公司而言也不是件坏事。
These are expensive, but improve aerodynamics so as to reduce fuel consumption by 3-4%-no bad thing when airlines have been hammered lately by high fuel costs.
空气动力学性能是否能在飞机的尺寸和速度上按比例放大，则是另外一件事情。
And whether any aerodynamic effects could scale appropriately for aircraft sizes and speeds is another matter.
与使用电池动力压缩空气将血液输送到全身的装置相比，新型人造心脏的造价更加低廉。
The multi-step approach makes this artificial heart much cheaper to build than those that use compressed air to pump the blood.
事实上，根据空气动力学，这样一枚硬币还不足以对人构成任何威胁。
But the fact is, the aerodynamics of a penny are not sufficient to make it dangerous.
内燃机所用的燃料是汽油和空气的混合物。汽油夹着空气，燃烧后产生驱车动力。
It USES a mixture of petrol and air, and this mixture explodes and burns, to produce the energy which propels the car.
尽管猎豹进化的超符合空气动力学，但是它的基因不幸的让它很容易死于气候和环境的变化。
Whereas the cheetah evolved for maximum aerodynamics, its genetic uniformity made the species extremely vulnerable to changes in climate and environment.
双稳态复合材料能在风力及水流状态变化时迅速改变空气动力形态，帮助去除涡轮叶片上多余的压力。
A bistable composite capable of altering its aerodynamic profile rapidly when wind and current conditions changed would help to remove unwanted stresses in the blades.
也许最有趣的改变是“可漂移的空气动力学”的推行后，车手可以在赛道上比赛时对前翼进行有限度的调整。
Perhaps the most interesting change, however, was the introduction of 'moveable aerodynamics', with the driver able to make limited adjustments to the front wing from the cockpit during a race.
但当查阅科学文献时，他发现有关鱼鳍的空气动力学还未被充分研究。
But when he looked at the scientific literature he found that the aerodynamics of their fins had not been fully explored.
但当查阅科学文献时，他发现有关鱼鳍的空气动力学还未被充分研究。
But when he looked at the scientific literature he found that the aerodynamics of their fins had not been fully explored.
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