#中国科技大学
deb raring main restricted universe multiverse
deb raring-backports restricted universe multiverse
deb raring-proposed main restricted universe multiverse
deb raring-security main restricted universe multiverse
deb raring-updates main restricted universe multiverse
deb-src raring main restricted universe multiverse
deb-src raring-backports main restricted universe multiverse
deb-src raring-proposed main restricted universe multiverse
deb-src raring-security main restricted universe multiverse
deb-src raring-updates main restricted universe multiverse
#北京理工大学
deb raring main multiverse restricted universe
deb raring-backports main multiverse restricted universe
deb raring-proposed main multiverse restricted universe
deb raring-security main multiverse restricted universe
deb raring-updates main multiverse restricted universe
deb-src raring main multiverse restricted universe
deb-src raring-backports main multiverse restricted universe
deb-src raring-proposed main multiverse restricted universe
deb-src raring-security main multiverse restricted universe
deb-src raring-updates main multiverse restricted universe
#兰州大学
deb ftp://mirror.lzu.edu.cn/ubuntu/ raring main multiverse restricted universe
deb ftp://mirror.lzu.edu.cn/ubuntu/ raring-backports main multiverse restricted universe
deb ftp://mirror.lzu.edu.cn/ubuntu/ raring-proposed main multiverse restricted universe
deb ftp://mirror.lzu.edu.cn/ubuntu/ raring-security main multiverse restricted universe
deb ftp://mirror.lzu.edu.cn/ubuntu/ raring-updates main multiverse restricted universe
deb ftp://mirror.lzu.edu.cn/ubuntu-cn/ raring main multiverse restricted universe
#上海交通大学（上海交大源，教育网的速度不用说了）
deb raring main multiverse restricted universe
deb raring-backports main multiverse restricted universe
deb raring-proposed main multiverse restricted universe
deb raring-security main multiverse restricted universe
deb raring-updates main multiverse restricted universe
deb raring main multiverse restricted universe
deb-src raring main multiverse restricted universe
deb-src raring-backports main multiverse restricted universe
deb-src raring-proposed main multiverse restricted universe
deb-src raring-security main multiverse restricted universe
deb-src raring-updates main multiverse restricted universe
添加好后保存，再输入 sudo apt-get update 就可以更新了，等着慢慢下载东西吧。
