http://bbs.shiandci.net/cgi-bin/lb5000/topic.cgi?forum=10&topic=13397http://bbs.shiandci.net/cgi-bin/lb5000/topic.cgi?forum=10&topic=13397http://tech.china.com/zh_cn/science/zhuanti/faxian/11035032/20050801/12530804.html