- elliptical loading
- 椭圆加载
English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
solids, mechanics of — ▪ physics Introduction science concerned with the stressing (stress), deformation (deformation and flow), and failure of solid materials and structures. What, then, is a solid? Any material, fluid or solid, can support normal forces.… … Universalium
Parachute — This article is about the device. For sports involving a parachute, see Parachuting. For other meanings, see Parachute (disambiguation). Parachutes opening A parachute is a device used to slow the motion of an object through an atmosphere by… … Wikipedia
Supermarine Spitfire — Infobox Aircraft name =Spitfire type =Fighter manufacturer =Supermarine caption =The distinctive silhouette of a typical Spitfire shows elliptical wings. (P7350, a Mk IIa, was first delivered to 266 Squadron on 6 September 1940.) designer =R. J.… … Wikipedia
Bird flight — Flight is the main mode of locomotion used by most of the world s bird species. Flight assists birds while feeding, breeding and avoiding predators.Evolution of bird flightMost paleontologists agree that birds evolved from small theropod… … Wikipedia
Skew arch — A skew arch (also known as an oblique arch) is a method of construction that enables an arch bridge to span an obstacle at some angle other than a right angle. This results in the faces of the arch not being perpendicular to its abutments and its … Wikipedia
Heinkel He 112 — infobox Aircraft name = He 112 type = Fighter manufacturer = Heinkel caption = designer =Günter brothers first flight =September 1935 introduction = retired = status = primary user =Luftwaffe more users =Imperial Japanese Navy Spanish Air Force… … Wikipedia
Antenna (radio) — Whip antenna on car … Wikipedia
Mars Observer — Artist rendering of Mars Observer in orbit around Mars. Operator NASA / JPL … Wikipedia
bridge — bridge1 bridgeable, adj. bridgeless, adj. bridgelike, adj. /brij/, n., v., bridged, bridging, adj. n. 1. a structure spanning and providing passage over a river, chasm, road, or the like. 2. a connecting, transitional, or intermediate route or… … Universalium
Heinkel He 111 — infobox Aircraft name = He 111 type = Medium bomber manufacturer =Heinkel Flugzeugwerke caption = designer = Siegfried and Walter Günter first flight = 24 February avyear|1935 introduced = 1936 retired = 1945 primary user = Luftwaffe produced =… … Wikipedia
Supermarine Spiteful — infobox Aircraft name = Spiteful type =Fighter manufacturer =Supermarine caption = The 494 mph Spiteful XVI, RB518 designer = Joe Smith first flight = 30 June 1944 introduced = retired = status = Out of service primary user = Royal Air Force more … Wikipedia