英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

ornithopter    

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Ornithopter - Wikipedia
    An ornithopter (from Ancient Greek ὄρνις (órnis) 'bird' and πτερόν (pterón) 'wing') is an aircraft that flies by flapping its wings Designers sought to imitate the flapping-wing flight of birds, bats, and insects
  • Ornithopter | Flight Mechanics, Aerodynamics Design | Britannica
    Ornithopter, machine designed to fly by the flapping of its wings in imitation of birds The wooden bird said to have been made about 400 bc by Archytas of Tarentum is one of the earliest examples
  • Ornithopter Society | Home
    Ornithopter Society publications, including the Ornithopter Design Manual, Flapping Wings newsletter, and online content, provide the ultimate resource for those seeking to build ornithopters or those interested in the history and culture of this unique phenomenon
  • The Evolution and Aerodynamics of Ornithopters: From Myth to Mechanized . . .
    Building a viable ornithopter requires a delicate balance between thrust, lift, weight, and durability Leonardo’s original sketches already imagined the need for ribbed, fabric-covered wings —concepts still relevant today
  • How Ornithopters Fly - The Principle of Flight
    An Ornithopter, or ornitotero like Leonardo da Vinci termed them, is an aircraft heavier than air, which flies like a bird by flapping its wings The special feature lies in the wings that do not only generate lift but also thrust
  • | How Things Fly
    An ornithopter is a birdlike machine that generates lift and thrust by flapping its wings An ornithopter doesn't need to have feathers, though The word "ornithopter" comes from the Greek words for "bird" and "wing " The first ornithopters capable of flight were toys built in the late 19th century in France
  • What Are Ornithopters and How Do They Work? - Biology Insights
    An ornithopter is an aircraft that achieves flight by flapping its wings, drawing inspiration from the flight of birds, bats, and insects Unlike conventional aircraft, an ornithopter’s wings are designed to provide both lift and propulsion simultaneously
  • Ornithopters: Flight, Fantasy, and Flapping Wings
    That question has echoed through human history—and led to one of aviation’s most fascinating ideas: the ornithopter Unlike traditional airplanes that rely on fixed wings and spinning propellers, ornithopters attempt to mimic nature itself—using flapping wings to achieve lift and thrust
  • Experiments with Ornithopters - Wonders of World Aviation
    AN ornithopter, as the derivation of the name indicates, is a wing-flapping device designed to imitate the flight of a bird The term applies equally to the early attachments of feathers to arms and legs, and to the more recent machines built by men in their various attempts to fly
  • Ornithopter | Dune Wiki | Fandom
    Ornithopters, also commonly referred to as ' thopters, were the most common small transport vessels in the Imperium These aircraft were capable of carrying 6 passengers, 9 if the back seats were removed 'Thopters were also very versatile





中文字典-英文字典  2005-2009