\uff08\u539f\u6807\u9898\uff1aNew NASA study finds long-haul danger for astronauts: Blood flow in reverse The unexpected discovery has major implications for long-duration space missions, including trips to Mars.\uff09 <\/p>\n
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\u65af\u79d1\u7279\u00b7\u5e15\u62c9\u8f9b\u65af\u57fa\uff08Scott Parazynski\uff09\u662f\u4e00\u540d\u533b\u751f\uff0c\u4e5f\u662fNASA\u7684\u9000\u5f79\u5b87\u822a\u5458\u3002\u4ed6\u8bf4\uff1a\u201c\u8fd9\u4e0d\u4f1a\u6539\u53d8\u6211\u53bb\u706b\u661f\u7684\u613f\u671b\uff0c\u4f46\u5b83\u786e\u5b9e\u589e\u52a0\u4e86\u98ce\u9669\u3002\u201d\u201c\u4e0d\u8fc7\u8ba9\u6211\u611f\u5230\u9f13\u821e\u7684\u662f\uff0c\u6211\u4eec\u53ef\u80fd\u4f1a\u627e\u5230\u6839\u672c\u539f\u56e0\uff0c\u8fd9\u5c06\u662f\u6211\u4eec\u6700\u7ec8\u53ef\u4ee5\u89e3\u51b3\u7684\u95ee\u9898\u3002\u201d<\/p>\n
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