Drivers experience severe G-forces as they corner, accelerate and brake.
车手在弯角，加速或减速时会感受到很大的G力。
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Friday's flight gave the Tycho Brahe scientists data on what kind of g-forces and temperature changes an astronaut-pilot would experience.
周五的飞行使第谷·布拉赫号的科学家们记录下了宇航员将经历怎样的重力和温度改变。
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Composite materials and advances in avionics allow the latest aircraft designs to pull g-forces, especially extreme lateral acceleration, that would be too much for a pilot to stand.