阻力伞

体育运动训练阻力伞的研制

The Speciality of Resistance Chute in Sport Exercise

航天飞机轨道器着陆阻力伞

Space shuttle orbiter drag parachute system

航天飞机轨道器设置阻力伞的目的在于增加其着陆的安全性。

The desire to increase landing safety margins for the Space Shuttle Orbiter led to decision to implement a Drag Parachute System into the Orbiter Vehicle .

在阻力伞和重力球的作用下，降落伞式胶囊内镜确保了其处于肠轴线方向的良好工作姿态。

Interaction between the umbrella with resistance and the ball with power forward , Parachute-style capsule endoscopy to ensure that it was worked in the best posture of intestinal axis . [ Conclusion ] Parachute-style capsule endoscopy was safe and feasible , stable performance .

研究结果表明，钝头子弹具有快速减速的目的，且具有恒定阻力面积伞的子弹可以保证低速飞行时的稳定性。

The result of study presents that the blunt submunition can decelerate quickly , and it fly stably at low speed with a stable resistance area parachute .

阻力对翼伞升阻比影响很大，前缘切口阻力是总阻力的主要来源之一，且是一种二维效应的阻力。

Drag has a great impact on the lift-drag ratio , and the leading edge cut drag , which has only a two-dimensional effect , is one of the main sources of the total drag .