deb http://ubuntu.cn99.com/ubuntu/ gutsy main restricted universe multiversedeb http://ubuntu.cn99.com/ubuntu/ gutsy-security main restricted universe multiversedeb http://ubuntu.cn99.com/ubuntu/ gutsy-updates main restricted universe multiversedeb http://ubuntu.cn99.com/ubuntu/ gutsy-proposed main restricted universe multiversedeb http://ubuntu.cn99.com/ubuntu/ gutsy-backports main restricted universe multiversedeb-src http://ubuntu.cn99.com/ubuntu/ gutsy main restricted universe multiversedeb-src http://ubuntu.cn99.com/ubuntu/ gutsy-security main restricted universe multiversedeb-src http://ubuntu.cn99.com/ubuntu/ gutsy-updates main restricted universe multiversedeb-src http://ubuntu.cn99.com/ubuntu/ gutsy-proposed main restricted universe multiversedeb-src http://ubuntu.cn99.com/ubuntu/ gutsy-backports main restricted universe multiversedeb http://ubuntu.cn99.com/ubuntu-cn/ gutsy main restricted universe multiverse