deb http://mirrors.sohu.com/ubuntu/ lucid main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ lucid-security main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ lucid-updates main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ lucid-proposed main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ lucid-backports main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ lucid main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ lucid-security main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ lucid-updates main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ lucid-proposed main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ lucid-backports main restricted universe multiverse