原文地址：http://xyt.so/?p=491
（这个最快！）
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deb http://mirrors.ustc.edu.cn/backtrack/all revolution main microverse non-free testing
deb http://mirrors.ustc.edu.cn/backtrack/32 revolution main microverse non-free testing
deb http://mirror.edu.backtrack-cn.org/backtrack/32 revolution main microverse non-free testing
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deb http://mirror.edu.backtrack-cn.org/backtrack/source revolution main microverse non-free testing
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