##163源

deb http://mirrors.163.com/debian/ jessie main non-free contrib
deb http://mirrors.163.com/debian/ jessie-updates main non-free contrib
deb http://mirrors.163.com/debian/ jessie-backports main non-free contrib
deb-src http://mirrors.163.com/debian/ jessie main non-free contrib
deb-src http://mirrors.163.com/debian/ jessie-updates main non-free contrib
deb-src http://mirrors.163.com/debian/ jessie-backports main non-free contrib
deb http://mirrors.163.com/debian-security/ jessie/updates main non-free contrib
deb-src http://mirrors.163.com/debian-security/ jessie/updates main non-free contrib

##中科大源

deb http://mirrors.ustc.edu.cn/debian jessie main contrib non-free

deb-src http://mirrors.ustc.edu.cn/debian jessie main contrib non-free

deb http://mirrors.ustc.edu.cn/debian jessie-proposed-updates main contrib non-free

deb-src http://mirrors.ustc.edu.cn/debian jessie-proposed-updates main contrib non-free

deb http://mirrors.ustc.edu.cn/debian jessie-updates main contrib non-free

deb-src http://mirrors.ustc.edu.cn/debian jessie-updates main contrib non-free

中科大还有个软件源配置生成器，比较有意思https://lug.ustc.edu.cn/repogen/。