ScienceCasts: 空间站上的框架眼镜和滑稽长袜。

请访问http://science.nasa.gov/ 。 大约四分之三宇航员因太空旅行而导致眼睛结构和功能發了变化。一项名为" 流体变化研究" 的实验正在调查这些问题。 http://www.nasa.gov/station 点击这里查看更多视频:https://alugha.com/NASA

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