Pilobolus剧团以吸收不同寻常的元素出名，不过最为新奇的恐怕要属这两个在乔伊斯舞台上为舞者MattDelRosario伴舞的四螺旋桨直升机（学名“四旋翼飞行器”）。
Pilobolus is known for dances that incorporate unusual elements. Few, though, have been stranger than the two four-rotored helicopters that accompanied Matt Del Rosario on the stage of the Joyce.
直升机的螺旋桨开始转动时，尽量离远点儿。
Stay well away from the helicopter when its blades start to rotate.
游戏需要设定飞行路线，来安全引导特大喷气客机到大型跑道、引导小型螺旋桨飞机至简易跑道、以及引导直升机到直升机场。
The game involves setting flight paths to safely direct jumbo jets to the large runway, smaller prop planes to the airstrip, and helicopters to the helipad.
而且就在周一，德国央行（Bundesbank）行长延斯•魏德曼告诉《金融时报》（Financial Times），欧洲央行无论如何都不会戴上“直升机伯南克”的螺旋桨帽子，充当“最后贷款人”。
And just yesterday, Bundesbank President Jens Weidmann told the Financial Times that under no circumstances would the ECB don its Helicopter Ben propeller hat and act as "lender of last resort."
培训期间，威廉学习了高速螺旋桨飞机和直升机驾驶技术等课程。
William learnt how to fly fast propeller-powered planes and helicopters during the four-month RAF training.(See photo)
九月15日库纳省SHIGAL地区，着陆的黑鹰直升机的螺旋桨在安德鲁费拉拉周围卷起了灰尘和碎石。
20the rotors of a landing Blackhawk helicopter kick up dust and debris around Second Lieutenant Andrew Ferrara at the Shigal district center in Kunar province on Sept. 15.
“我们看到直升机的螺旋桨都飞到天上去了”，她说。
除了扮演传统直升机角色外，还具有涡轮螺旋桨飞机的长距离、高速巡航性能。
It is designed to perform conventional helicopter missions but with the long-range, high-speed cruise performance of a turboprop aircraft.
立方直升机的这种配置让他可以像直升机一样盘旋，但在向前飞行时，主旋翼的转速可以将下来，让两侧的机翼提供升力，在此情况下，两台螺旋桨推进器就能发挥大作用了。
This means it can hover like a helicopter, but when flying forwards can reduce the speed of the main rotor and let the wings provide part of the lift. Its propellers give the extra oomph.
它是世界上第一种大量生产的装备有双涡轮螺旋桨引擎的直升机。
It is the first mass production helicopter in the world that was equipped with two turboprop engines with the free power turbine.
空气螺旋包括螺旋桨、风车、风扇和直升机叶片等。
The airscrew included various propellers, fans, windmills and helicopter blades, etc.
震耳欲聋的直升机螺旋桨声简直让人发疯。
The deafening whirr of helicopter simple drives people crazy.
地面效应装置(如气垫船)，倾斜旋翼机或任何依靠螺旋桨所产生向下的滑流而悬浮的航空器，皆不属于直升机。
Ground effect machines (hovercraft), convertiplanes or aircraft that hover by means of propeller slipstream (s) deflected downward are not considered to be helicopters.
如果他们真的想要隐形直升机，他们应该创造一个类似于科曼奇能够覆盖住螺旋桨并能提供更大的扭矩而且能缩减噪音。
If they really wanted a 'stealth' helicopter they should have looked into creating something similar to the Comanche which has a covered fan that provides more torque while reducing noise.
一架军用直升机在头顶盘旋，轰鸣的螺旋桨上方，紧急报警器发出悲号。
A military helicopter hovered overhead, its emergency siren howling over the roar of its blades.
一架军用直升机在头顶盘旋，轰鸣的螺旋桨上方，紧急报警器发出悲号。
A military helicopter hovered overhead, its emergency siren howling over the roar of its blades.
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