deb http://mirrors.hust.edu.cn/ubuntu/ xenial main restricted
deb-src http://mirrors.hust.edu.cn/ubuntu/ xenial main restricted
deb http://mirrors.hust.edu.cn/ubuntu/ xenial-updates main restricted
deb-src http://mirrors.hust.edu.cn/ubuntu/ xenial-updates main restricted
deb http://mirrors.hust.edu.cn/ubuntu/ xenial universe
deb-src http://mirrors.hust.edu.cn/ubuntu/ xenial universe
deb http://mirrors.hust.edu.cn/ubuntu/ xenial-updates universe
deb-src http://mirrors.hust.edu.cn/ubuntu/ xenial-updates universe
deb http://mirrors.hust.edu.cn/ubuntu/ xenial multiverse
deb-src http://mirrors.hust.edu.cn/ubuntu/ xenial multiverse
deb http://mirrors.hust.edu.cn/ubuntu/ xenial-updates multiverse
deb-src http://mirrors.hust.edu.cn/ubuntu/ xenial-updates multiverse
deb http://mirrors.hust.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse
deb-src http://mirrors.hust.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse
deb http://mirrors.hust.edu.cn/ubuntu/ xenial-security main restricted
deb-src http://mirrors.hust.edu.cn/ubuntu/ xenial-security main restricted
deb http://mirrors.hust.edu.cn/ubuntu/ xenial-security universe
deb-src http://mirrors.hust.edu.cn/ubuntu/ xenial-security universe
deb http://mirrors.hust.edu.cn/ubuntu/ xenial-security multiverse
deb-src http://mirrors.hust.edu.cn/ubuntu/ xenial-security multiverse
原文：http://www.cnblogs.com/york-hust/p/5438031.html