An emergency air-lift of food to central Bamian province was canceled earlier this year when the Taliban bombed the local airport.
今年早些时候，塔利班轰炸了当地机场，于是向中部巴米安省运送食物的紧急空运被取消了。
The air-lift loop bioreactor was used in simulated wastewater treatment.
采用气升式环流生物反应器处理模拟废水。
The paper introduces the typical examples for resolving these problems by air-lift reverse circulation drilling technology.
介绍了应用气举反循环钻进工艺解决这些疑难技术问题的成功案例。
They are significant for designing and scale-up of the air-lift reactor, and for researching and development the new reactors.
对指导工厂生产扩产、生产工艺的优化和新型环流反应器的开发等具有积极的意义。
Force distributing diagrammatic sketch has so far used for making analysis of and determining the pipeline strength and deformation in air-lift operation.
以前确定气举作业中管道的强度和变形，通常采用作受力简图的方法进行分析。
Model ZY-I downhole service equipment is suitable fordeep wells where mechanical production or air-lift production is adopted and for high-pressure wells.
型井下不压井作业装置适用于机械采油或气举采油的深井和压力较高油井的井下作业。
The annular air-lift inner circulating reactor is one inner circulating reactor with high gas-liquid separating efficiency and excellent gas distributing effect.
一种环隙气升式内环流反应器，涉及一种具有高气液分离效率和良好布气效果的内环流反应器。
Simple and reliable, the system takes the method of air-lift to remove the grit, taking advantage of the proportion difference between air-water mixture and water.
系统采用气提这一简单可靠的排砂方式，依靠气水混合液与水之间的比重差将砂粒排出。
Liquid circulation rate and gas holdup in an air-lift loop reactor were experimentally investigated as changing with the superficial gas velocity for the system of air-water.
浆液循环速度是外环流浆态床反应器研究中一个重要的流体力学参数，对流体的流动行为和相间传质有重要的影响。
In air-lift loop reactor, the effects of gas velocity on liquid circulation velocity and gas hold-up were experimentally studied in the different systems, namely air-water, air-0.
乙醇水溶液和空气-水-活性污泥体系中的循环液速以及气含率随操作条件的变化规律。
It's a spectacular sight as the flamingos lift into the air.
一群红鹳飞向空中，景象十分壮观。
Birds use thermals to lift them through the air.
鸟类利用上升的暖气流升空。
In two cases, huge machines have been used to lift the buildings up to 30 centimeters into the air.
在两个案例中，巨型机器被用来将建筑物提升到30厘米高的空中。
The third and final stage was to lift the entire structure into the air, by which time the hull was also supported from below.
第三个阶段，也是最后一个阶段，是把整个建筑升到空中，这时船体也在下面起支撑作用。
To generate lift, a bird has merely to tilt its wings, adjusting the flow of air below and above them.
为了产生抬升力，鸟儿们只要倾斜翅膀，对从身体上方和下方通过的气流稍作调整。
"You just think lovely wonderful thoughts," Peter explained, "and they lift you up in the air."
“你只要想一些有趣的事情，”彼得解释说，“它们就会把你带到空中。”
A walk in the fresh air can lift your mood after a stressful day's work.
在一天紧张的工作之后，到新鲜空气中散散步可以让你心情舒畅。
A larger and heavier aircraft must displace more air and create more lift to sustain flight, compared with small, light aircraft.
较大的重型飞机比较小的轻型飞机要移动更多的空气、制造更大的提升力以支持飞行。
Flying fish rely on a similar flow of accelerated air from their pectoral fins to provide lift to their smaller pelvic fins.
同样，飞鱼借助胸鳍所产生的加速气流，就可以对较小的腹鳍产生一定的提升作用。
Compressed air flows beneath silicone skin, triggering actuators that raise her arms and lift the corners of her mouth into a demure smile.
压缩空气在硅质的皮肤下游走，触发了执行器，她抬起双臂，扯了扯嘴角，矜持地一笑。
When the shape of a wing creates more lift from the air passing around it than it does drag (air resistance), an aircraft will fly.
当鱼鳍的形状通过流动的空气产生比其(空气)阻力更多的升力时，飞行物便能飞翔。
Stand and face each other, then slowly lift one leg until he can slide his arm underneath it to hold it in the air.
面对面站着，然后慢慢抬起一条腿在空中，让他在它之下滑动他的手臂。
In aerodynamic terms, lift is a function of weight, thrust and drag (air resistance).
在空气动力学上，升力是重量，推力和阻力(空气阻力)的相关的函数。
Lift is a problem in the rarefied air of the stratosphere, and it seems such a design can help.
在空气稀薄的平流层中，如何产生升力是一个问题。这种飞艇通过氢气浮力和空气动力制造升力的设计看上去能够解决这个难题。
But when flying forward the air passing over the blade that is advancing to the front of the helicopter (and so into oncoming air) provides more lift than the one that is retreating to the back.
但是当向前飞行时，它的旋翼将转向直升飞机的前方(如此一来，就变成朝向迎面而来的空气)，经过叶片上方的气流将比经过叶片背面的气流产生更大的升力。
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。
How does a balloon Rise in the air, And lift people up?
一个气球怎样在空中上升，并且向上提起人？
This means the air beneath its wings is compressed, giving it additional lift.
这样机翼下面的空气会被压缩，大大增加它的托举力。
The blades have an aerofoil shape and provide lift when passing through air, like the wings of an aeroplane.
这些叶片拥有机翼的剖面形状，它们就像普通飞机的机翼那样，通过划过空气来产生升力。
The blades have an aerofoil shape and provide lift when passing through air, like the wings of an aeroplane.
这些叶片拥有机翼的剖面形状，它们就像普通飞机的机翼那样，通过划过空气来产生升力。
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