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