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dynamic lift造句

"dynamic lift"是什么意思   

例句與造句

  1. Some fish, such as sharks, use stiff, strong fins to create dynamic lift and propel themselves.
  2. Fish without these features use dynamic lift instead.
  3. In addition to static lift, an airship can obtain a certain amount of dynamic lift from its engines.
  4. The use of dynamic lift by pitching the nose of the airship up or down was also recognised and practised on this airship.
  5. Once the airship was cruising, the aircraft would be flown aboard, the additional weight being supported by dynamic lift until the airship lightened.
  6. It's difficult to find dynamic lift in a sentence. 用dynamic lift造句挺難的
  7. The original patent was for Kaydon's " Tapered Ramp " lift geometry, a " constant diameter / variable depth " dynamic lift design.
  8. The great arc known as the monohull prevailed by virtue of its simplicity, buoyancy and dynamic lift . For millenniums it ruled the waves.
  9. The US Navy Office of Naval Research gave Dr . Hoerner a contract in the mid-1960s to write a companion volume " Fluid-Dynamic Lift ".
  10. The hybrid airship combines the airship's aerostatic lift, from a lighter-than-air gas such as helium, with the heavier-than-air craft's dynamic lift from movement through the air.
  11. The dynamic lift ); others store fats or oils with density less than that of seawater to produce a neutral or near neutral buoyancy, which does not change with depth.
  12. Some early airships were fitted with wing planes, with the intention of providing additional dynamic lift . However, the added lift of planes can be less efficient than simply increasing the volume of the airship.
  13. Aero-dynamic lift, drag, and thrust are all non-uniform forces ( they are applied at a point or surface, rather than acting on the entire mass of an object ), and thus create the phenomenon of weight.
  14. The flight itself was cancelled because of the weather, but not before the politicians had arrived at Cardington : they accordingly embarked and had lunch while the ship rode at the mast, only kept in the air by dynamic lift produced by the wind.
  15. The " Macon " was being flown " heavy " and was operating at full power not only in order to have sufficient dynamic lift, but also to have enough control to fly in the severe turbulence through a mountain pass near Van Horn, Texas.
  16. Dynamic lift in past airships has been about 10 % of the static lift . Dynamic lift allows an airship to " take off heavy " from a runway similar to fixed-wing and rotary-wing aircraft . However, this requires additional weight in engines, fuel and landing gear, negating some of the static lift capacity.
  17. 更多例句:  下一頁

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