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日前,美国宇航局发射一颗小型纳米级人造卫星,其大小如同面包块一般,它将帮助科学家揭示杀菌药物在太空中的反应。这个纳米级人造卫星叫做
Recently, NASA launched a small nano-scale satellite, the size of the same as the bread pieces, it will help scientists reveal the response of bactericidal drugs in space. This nano-scale satellite is called