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.
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行政执法监督机构应当加强对行政执法普遍性、规律性问题的研究，总结解决行政执法问题的经验，提出关于改进行政执法工作、完善相关行政执法制度的建议。
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