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:

hypersonic    音标拼音: [h,ɑɪpɚs'ɑnɪk]


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:


  • Hypersonic speed - Wikipedia
    In aerodynamics, hypersonic speed refers to speeds much faster than the speed of sound, usually more than approximately Mach 5 [1][2][3]
  • Hypersonics - NASA
    In the field of aerodynamics, hypersonics is generally associated with flight through an atmosphere at speeds in excess of Mach 5, i e five times the local speed of sound
  • Hypersonic Weapons Explained: Which Countries Have Them and Why They . . .
    Two types of hypersonic weapons dominate current development: hypersonic glide vehicles (HGVs) and hypersonic cruise missiles (HCMs) They achieve their speed through fundamentally different means, and each presents different challenges for defenders
  • Hypersonic Flight Vehicles – Introduction to Aerospace Flight Vehicles
    Hypersonic vehicles often feature blended bodies with tightly integrated propulsion systems, in stark contrast to the separate airframe and engine architectures of subsonic and supersonic aircraft
  • Hypersonic breakthrough could enable planes that fly 10 times the speed . . .
    Hypersonic flight could one day make long-haul travel as quick as a short movie Researchers are testing how turbulence behaves at extreme speeds, a critical hurdle for designing these aircraft
  • How Do Hypersonic Missiles Work? Everything You Need to Know
    Unlike conventional ballistic or cruise missiles, hypersonic missiles travel at speeds exceeding Mach 5—more than five times the speed of sound Their unpredictable flight paths make them nearly impossible to intercept, rendering even the most advanced missile defense systems obsolete
  • Hypersonic Speed Explained: How Hypersonic Planes Work
    Hypersonic speed is five times the speed of sound Scientists measure speeds this fast with a Mach number, named for Austrian physicist Ernst Mach Sound has a speed of Mach 1 and anything Mach 5 or above is considered hypersonic
  • Hypersonics | Lockheed Martin
    We are developing game-changing hypersonic solutions to ensure our customers are always ready for what’s ahead Traveling at Mach 5 (or a mile a second) and above is the new standard on the battlefield of tomorrow
  • An Overview of Current U. S. Hypersonic Missile Developments
    These programs focus on conventionally armed hypersonic weapons rather than nuclear payloads, currently in development by some competitors Hypersonic systems operate at speeds above Mach 5 and often maneuver during flight, which makes accurate targeting more difficult
  • The U. S. Military Is Firing Dark Eagle Hypersonic . . . - 19FortyFive
    Rocket Lab just signed a $190 million contract for 20 hypersonic test launches with a 100% success rate — 7 for 7 at Mach 5+ The tests support the Army's "Dark Eagle" — a Mach 5 missile with 3,500km range that maneuvers through the atmosphere and can't be intercepted by existing defenses It can hit Beijing from Guam or Moscow from Western Europe It deploys this year





中文字典-英文字典  2005-2009