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移民火星？先赶跑三个“拦路虎”
source link: https://tech.sina.com.cn/d/s/2019-01-22/doc-ihqfskcn9310327.shtml
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来源：科技日报尽管科学家仍在苦苦探求如何保护宇航员不受太空辐射伤害，如何减少太空零重力对他们身体造成的影响，但在近日于伦敦举行的会议上，宇航员面临的社会和心理障碍也成为专家们探讨的焦点。据英国《每日电讯报》网站近日报道，与会太空专家警告说，
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