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NASA：2028年四名宇航员将重返月球 并停留7天

 5 years ago
source link: https://tech.sina.com.cn/d/s/2019-02-18/doc-ihrfqzka6724529.shtml
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原标题：NASA：2028年四名宇航员将重返月球并在月球停留7天来源科技日报科技日报北京2月17日电（实习记者胡定坤）近日，美国国家航空航天局（NASA）发布正式公告，号召私营企业参与载人登月技术研发。此外，NASA还公布了2028年在私营

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