NASA ScienceCasts:生命维持系统的甜美气味

点击这里观看更多视频: https://alugha.com/NASA 国际空间站是一个技术的试验台,可以让宇航员在进入太阳系的长途旅行中舒适地生活。 国际空间站: http://www.nasa.gov/station 美国宇航局科学: http://science.nasa.gov/

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