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helicopter    音标拼音: [h'ɛlɪk,ɑptɚ]
n. 直升飞机
vt. 用直升飞机载送
vi. 乘直升飞机

直升飞机用直升飞机载送乘直升飞机

helicopter
n 1: an aircraft without wings that obtains its lift from the
rotation of overhead blades [synonym: {helicopter}, {chopper},
{whirlybird}, {eggbeater}]

Helicopter \Hel"i*cop`ter\, n. [NL., fr. Gr. "e`lix, "e`likos, a
spiral ptero`n a wing.]
a heavier-than-air aircraft whose lift is provided by the
aerodynamic forces on rotating blades rather than on fixed
wings. Contrasted with {fixed-wing aircraft}.
[PJC]


Helicopter \Hel"i*cop`ter\, v. i.
to travel in a helicopter.
[PJC]


Helicopter \Hel"i*cop`ter\, v. t.
to transport in a helicopter.
[PJC]

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英文字典中文字典相关资料:


  • Helicopter - Wikipedia
    The Focke-Wulf Fw 61 was the first successful, practical, and fully controllable helicopter in 1936, while in 1942, the Sikorsky R-4 became the first helicopter to reach full-scale production
  • Helicopters - Airbus
    Airbus delivers the most efficient helicopters to customers who serve, protect, save lives and carry passengers in demanding environments
  • Helicopter | Facts, History, Types | Britannica
    A helicopter is an aircraft with one or more power-driven horizontal propellers or rotors that enable it to take off and land vertically, to move in any direction, or to remain stationary in the air
  • Helicopters – Introduction to Aerospace Flight Vehicles
    Understand the essential performance characteristics of a helicopter in forward flight and the factors that limit its capabilities Appreciate how a helicopter is controlled during flight, including the use of blade hinges and cyclic blade pitch
  • How Helicopters Work - HowStuffWorks
    Believe it or not, the marvel we know as the helicopter began as a Chinese top consisting of a shaft - a stick - adorned with feathers on one end
  • 24 Types of Helicopters Explained (With Photos)
    The helicopter has revolutionized aircraft and brought versatility to what aircraft can be used for The ability of the helicopter to hover, take off, and land in a small space, lift heavy loads, and fly at low altitudes has made it a useful aircraft that has been modified for specific needs
  • Helicopter Flying Handbook - Federal Aviation Administration
    Chapter 01: Introduction to the Helicopter (PDF, 10 2 MB) Chapter 02: Aerodynamics of Flight (PDF, 12 1 MB) Chapter 03: Helicopter Flight Controls (PDF, 12 MB) Chapter 04: Helicopter Components, Sections, and Systems (PDF, 14 5 MB) Chapter 05: Rotorcraft Flight Manual (PDF, 7 7 MB) Chapter 06: Weight and Balance (PDF, 9 3 MB)
  • Helicopter History Site
    Since 1997, the Helicopter History Site has provided freely accessible information on all aspects of helicopters and vertical flight Featured sections of the website include history of helicopter manufacturers, industry news, and an ever-growing database of over 59,000 individual helicopters
  • Types of Helicopters: The 6 Different Designs Explained
    So, whether you’re a helicopter enthusiast or just curious about these incredible machines, join us as we explore the different types of helicopters and discover what sets them apart from the rest
  • How does a helicopter work? - Explain that Stuff
    How does a helicopter stay in the air? The science of a helicopter is exactly the same as the science of an airplane: it works by generating lift—an upward-pushing force that overcomes its weight and sweeps it into the air Planes make lift with airfoils (wings that have a curved cross-section)





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