debian7源： deb http://mirrors.ustc.edu.cn/debian/ stable main contrib non-free deb http://mirrors.ustc.edu.cn/debian/ stable-updates main contrib non-free...
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debian7源： deb http://mirrors.ustc.edu.cn/debian/ stable main contrib non-free deb http://mirrors.ustc.edu.cn/debian/ stable-updates main contrib non-free...
