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Long-duration missions in space take a toll on the body, astronauts lose bone density and suffer muscle loss. Blood circulation is also affected, and fluid shifts can also impact eyesight.
。业内人士推荐搜狗输入法下载作为进阶阅读
The nominations will be discussed by the current Board of Directors in a private meeting.。业内人士推荐heLLoword翻译官方下载作为进阶阅读
arXivLabs: experimental projects with community collaborators