更新源
deb http://mirrors.163.com/ubuntu/ quantal main universe restricted multiverse
deb-src http://mirrors.163.com/ubuntu/ quantal main universe restricted multiverse
deb http://mirrors.163.com/ubuntu/ quantal-security universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ quantal-security universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/ quantal-updates universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/ quantal-proposed universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ quantal-proposed universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/ quantal-backports universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ quantal-backports universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ quantal-updates universe main multiverse restricted
deb http://ubuntu.uestc.edu.cn/ubuntu/ quantal main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/ quantal-backports main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/ quantal-proposed main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/ quantal-security main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/ quantal-updates main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ quantal main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ quantal-backports main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ quantal-proposed main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ quantal-security main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ quantal-updates main restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/ quantal main restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/ quantal-backports restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/ quantal-proposed main restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/ quantal-security main restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/ quantal-updates main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ quantal main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ quantal-backports main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ quantal-proposed main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ quantal-security main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ quantal-updates main restricted universe multiverse
deb http://mirror.bjtu.edu.cn/ubuntu/ quantal main multiverse restricted universe
deb http://mirror.bjtu.edu.cn/ubuntu/ quantal-backports main multiverse restricted universe
deb http://mirror.bjtu.edu.cn/ubuntu/ quantal-proposed main multiverse restricted universe
deb http://mirror.bjtu.edu.cn/ubuntu/ quantal-security main multiverse restricted universe
deb http://mirror.bjtu.edu.cn/ubuntu/ quantal-updates main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/ quantal main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/ quantal-backports main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/ quantal-proposed main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/ quantal-security main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/ quantal-updates main multiverse restricted universe
