关于米兰体育app官网_美国宇航局(NASA)计划试验史上最大降落伞，下面从多个角度归纳核心要点，方便读者快速参考。The US space agency figured out how to do this decades ago, but with the goal of sending humans to Mars in the 2030s, the agency is now testing the Supersonic Ringsail Parachute that is 30 meters in diameter, which could allow even heavier spacecraft to land softly by slowing the entry vehicle from Mach 2 to subsonic speeds.美国宇航局早于在几十年前就已掌控用于降落伞滑行技术，但该局计划于本世纪30年代将宇航员送往火星，因而将对超音速环帆降落伞展开测试。NASA to test flying saucerNASA白鱼测试降落伞NASA plans to try out the largest parachute ever deployed during a flying saucer launch that will test new technologies for landing on Mars.美国宇航局计划在一次飞碟升空中测试降落火星的新技术，试验史上仅次于的降落伞。该降落伞直径约30米，可把飞行器的速度从两倍音速增至亚音速，让载重更大的飞行器稳定迫降。

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