http://www.blog.edu.cn/user1/23127/archives/2005/213173.shtml
http://www.89bt.net/bt/7256.html
http://blog.shbbs.cn/more.asp?name=tecdai&id=222
http://xiaoyangdelaoba.aa.61.fm/read/190477.htm
http://bbxpp.com/Soft/HTML/39.html
http://www.ydfx.com/Article_Show.asp?ArticleID=1433
http://www.ycwsx.com/jdwh/Article_Show.asp?ArticleID=194