Virgin Galactic, which is the main tenant there, completed an unpowered flight of its SpaceShipTwo vehicle.

太空要承租方维珍银河公司完成了其“宇宙飞船二号”飞行器无动飞行测试。

The Wright brothers had been flying airplanes for years, but at the time, this was the longest flight in an unpowered glider.

莱特兄弟多年来一直在驾驶飞机，但在当时，这是无动滑翔机最长飞行。

Wearing the unpowered ankle exoskeleton can help people either walk farther with the same amount of energy, or restore the normal movement pattern for people who have trouble walking.

穿着这种无动脚踝外骨骼能帮助人用同样能量走得更远，也可以帮助那些行走不便人恢复行走模式。

On earth, or Venus, or Titan, there's enough air that you can land largely unpowered, first by slowing down with a heat shield and atmospheric drag, and then with parachutes.

在地球、金星或泰坦上，有足够空气可以让你在没有动情况下着陆，首先用防护罩和大气阻，再用降落伞减速。