设计主要用于压差和空气速度测量。
It is designed for both differential pressure and air velocity measurements.
机身上流动的空气速度减慢，所以引擎的吸氧量减少从而节省了燃料。
Air slipping along the fuselage moves slower, so the engines ingest less oxygen and burn less fuel.
降低空气速度可以提高空气的温升幅度，但是总的吸热量将会降低。
Low air flow rate will increase the rise of temperature, but total heat transfer will be reduced.
这是空气速度，与嘴唇和舌头位置被结合，将给您成功在上部记数器。
It is the air speed, combined with lip and tongue position, that will give you success in the upper register.
速度为300kph时，通过前面浆片的空气速度可达1100kph，而尾部浆片上的速度大约500kph。
At 300kph, the air passing over the advancing blade could reach 1,100kph while that over the retreating blade would be about 500kph.
同许多发展中国家和新兴工业化国家一样，在南非，关于空气污染的立法未能跟上迅速发展的工业的速度。
In South Africa, as in many developing and newly industrialized countries, legislation on air pollution has failed to keep pace with mushrooming industries.
当空气接近海岸时，陆地会减缓它的速度并使其在此堆积。
When the air gets closer to the shore, it's slowed down by the land and starts to pile up.
他评论说：“我认为这要归功于他的速度，他伟大的技术以及他在空气中散发出的能量。”
He remarked: "I think that it is thanks to his speed, his great technique and his power in the air."
起初，吉林用激光束测量光在这些空气样本中的传播速度。
Originally, Keeling measured the speed of light in the air samples with a laser beam.
但是与飞机不同的地方在于，当直升机向前飞行时，空气是以不同的速度流过旋转的叶片的。
But unlike an aircraft, when a helicopter is flying forwards the air passing over its rotor blades does so at different speeds.
牛顿发现了在空气中恒温声音的速度。
Newton had discovered the isothermal velocity of sound in air.
他们的方法揭示出了这样一个事实：水蒸气会改变雷达波穿越空气时的速度。
Their method exploits the fact that water vapour changes the speed at which radar waves travel though air.
由于喷气式飞机穿过空气，它的速度超过了声障，继而产生了大量的热。
As the jet plane rushed through the air, its speed broke the sound barrier and produced great heat.
如此危险的增长速度造成了窒息的空气污染。
The breakneck pace of growth has caused suffocating air pollution.
但空气在接近裂缝的时候速度会越来越快，杰弗里·兰迪斯说，他是美国宇航局在克利夫兰·格伦研究中心的一位物理学家。
But air picks up speed as it approaches a fissure, said Geoffrey Landis, a physicist at NASA's Glenn Research Center in Cleveland.
塔顶稀薄的空气冲击着他的肺，凌厉的风毫无阻拦地攻击着他，困扰着他的身体，降低他的速度。
On top the thin air slashed his lungs and the stiff wind attacked him without interference, molesting his body and slowing his progress.
在低压力区，空气阻力减少，向后拉的力量减小，因此只需要消耗较少的能量就可维持与在前面的竞争对手相同的速度。
The low-pressure area reduces wind resistance and hence the amount of drag, which means less energy is needed to maintain the same speed as the leader.
在球运行路径的某一点(10米处，或人墙的位置)球的速度下降，使空气在球体表面形成较稳定的层流。
Some way into its path - perhaps around the 10 m mark (or at about the position of the wall of defenders) - the ball's velocity dropped such that it entered the laminar flow regime.
压制机身获得空气阻力，可能他们(驾驶员)得到的信息是飞行速度太快了。
"You push down on the wheel to gain air speed, perhaps they (pilots) were getting information that the air speed was too high," said Miles o 'brien, a pilot and aviation analyst.
就是我们主要通过燃烧矿物燃料，忙着以每年三百亿吨的速度排入空气的那种气体。
The very gas we are busy pumping into the air at the rate of 30bn tonnes a year, mostly by burning fossil fuels.
当两层空气以不同的速度、相对的方向移动时，便形成了开尔文一亥姆霍兹浪状云(Kelvin - Helmholtz)。
Kelvin-Helmholtz wave clouds are formed when there are two layers of air moving at different speeds and in opposite directions.
他们的计算表明，快速而持续的微小空气波动可以使毯子达到每秒一英尺(译者：30.48厘米)的飞行速度。
Their calculations showed that small waves of air in repeated fast pulses could steer a carpet at a speed of around one foot per second.
室内外空气的交换速度，这取决于房屋的构造、居住者的通风习惯和窗户的密封程度。
The rate of exchange between indoor and outdoor air, which depends on the construction of the house, the ventilation habits of the inhabitants, and the sealing of Windows.
咳嗽释放的爆炸性空气的速度最高可达每小时60英里(96.56公里)。
A cough releases an explosive charge of air that moves at speeds up to 60 MPH.
它们被聚集起来投入实验，此时速度大约是5米每秒——仅为空气中分子自由碰撞速度的百分之一。
They are gathered up and injected into the quantum experiment at speeds of around five meters per second - just a hundredth the speed of the molecules flying around in the air.
如果拿一个半径是，1厘米的小卵石，从高楼上扔下去，它的速度因为空气阻力，不过超过每小时75英里。
If you take a pebble with a radius of about one centimeter and you throw it off a high building, it will reach a speed which will not exceed 75 miles per hour because of the air drag.
你们可以看到,有件事非常值得注意,可以注意到,方向的速度，is，that，the，velocity，in，the，x，direction,在整个轨迹当中-,如果没有空气阻力，也没有摩擦力-,是不会改变的。
Now, when you look at this there is something quite remarkable and the remarkable thing x - throughout this whole trajectory-- if there is no air draft, - if there is no friction-- is not changing.
关注你的呼吸有多重，当你吸入空气时你的鼻孔是什么感觉，呼出气时又是什么感觉，在你的肺里有多少空气，你呼吸的速度是多少等等。
Notice how deeply you breathe, what your nostrils feel like when you breathe in, how they feel breathing out, how much air is in your lungs, how fast you're breathing, and so on.
拉力是一种物体在空气中所受到的阻力，它能产生与球运行方向相反的作用力，减缓球的运行速度，而升力则是一种能使物体偏离直线运行轨迹的力。
Drag is the force of air resistance pushing against a ball's motion and slowing it down, while lift is a force causing a ball to swerve off a straight path.
拉力是一种物体在空气中所受到的阻力，它能产生与球运行方向相反的作用力，减缓球的运行速度，而升力则是一种能使物体偏离直线运行轨迹的力。
Drag is the force of air resistance pushing against a ball's motion and slowing it down, while lift is a force causing a ball to swerve off a straight path.
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