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.
为产生最大负载的制动伞所已经安装完毕：能产生9吨的阻力似乎听起来很多，但这仅仅够将重达5吨的汽车从1000英里/小时停下来。
The maximum load for the brake parachutes has been fixed: Nine tonnes of drag sounds like a lot, but it's really not much to stop a five-tonne car from 1, 000mph.
当然，当他们打开，降落伞，空气阻力剧增，他们下降的更缓慢。
Of course, then they open the parachute and then the air drag increases enormously and then they slow down even further.
和其他探测器相同，好奇号的母舱依靠隔热板、空气阻力和放出降落伞的方式来减慢下降速度。
As with the other rovers, Curiosity's mother ship will rely on heat shields and air-resistance, and then on a parachute, to slow its arrival.
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.
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.
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