http://you.kuxun.cn/xunleshuyan.html

http://baike.baidu.com/view/85129.htm

http://www.cangxi.ccoo.cn/bendi/info-15279.html

 

 

 
 
   
Project information
Project Narrative
Project element
Table of Research
Contributions
Materials
A word of thanks

 

 
 
　　　Sichuan Cangxi Vocational high school       Email:cxmhk@sina.com