parachute canopy

常见例句

As a parachute canopy moves unsteadily through the air, its equations of motion must include the rate of change of momentum of the air in which it is immersed.
当降落伞在空气中作非定常运动时，空气动量的变化率必须包括在降落伞的运动方程中。
The opening process of the circle flat parachute with the differential size and the differential vent position of the canopy by the steady flow wind tunnel were dynamic tested.
在改变伞衣面积和透气量的情况下，在定常风洞中对小型平面圆形伞的开伞过程进行了动态试验，研究了开伞过程中伞衣形状和伞衣所受载荷之间的动态关系。
With the landing impact attenuation devices, area of parachute canopy, weight of recovery system and landing impact load could be greatly reduced, In these years, the technologies have been developed.
利用着陆缓冲装置可以明显降低降落伞的面积、减小回收系统的重量，同时大幅度降低飞行器着陆时的冲击载荷。近些年来，着陆缓冲技术有了些新的发展。