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NASA 坚定 2019 年发射 SLS 火箭的决心
source link: https://cn.engadget.com/2017/11/10/nasa-insists-its-mars-rocket-will-still-launch-in-2019/
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NASA 的官方重型火箭 SLS 的首飞早前已经延期了一前，由 2018 年底向后滑了到了 2019 年，而如今更有消息说 SLS 连 2019 年的期限恐怕都不保了，要再次拖后到 2020 年中。对此 NASA 表示已经做好相应的策略，「保护」最晚 2019 年 12 月的发射期限。虽然说 SLS（Space L...
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