7.10版

deb http://debian.ustc.edu.cn/ubuntu/ feisty main restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/ feisty-backports restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/ feisty-proposed main restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/ feisty-security main restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/ feisty-updates main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ feisty main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ feisty-backports main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ feisty-proposed main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ feisty-security main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ feisty-updates main restricted universe multive

8.10版

deb http://debian.ustc.edu.cn/ubuntu/ intrepid main multiverse restricted universe

deb http://debian.ustc.edu.cn/ubuntu/ intrepid-backports main multiverse restricted universe

deb http://debian.ustc.edu.cn/ubuntu/ intrepid-proposed main multiverse restricted universe

deb http://debian.ustc.edu.cn/ubuntu/ intrepid-security main multiverse restricted universe

deb http://debian.ustc.edu.cn/ubuntu/ intrepid-updates main multiverse restricted universe

deb-src http://debian.ustc.edu.cn/ubuntu/ intrepid main multiverse restricted universe

deb-src http://debian.ustc.edu.cn/ubuntu/ intrepid-backports main multiverse restricted universe

deb-src http://debian.ustc.edu.cn/ubuntu/ intrepid-proposed main multiverse restricted universe

deb-src http://debian.ustc.edu.cn/ubuntu/ intrepid-security main multiverse restricted universe

deb-src http://debian.ustc.edu.cn/ubuntu/ intrepid-updates main multiverse restricted universe