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来自宇宙的你——国际空间站 ARISS SSTV「远征」活动 (opens in new tab)

它不是玄学，也不是单纯的浪漫。它是频率、传播、天线、轨道、多普勒效应，以及我们手中那一点点设备共同完成的一次小小实验。查看全文

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