2020, Vol. 294 Issue (2): 69-77    DOI:
Current Issue | Archive | Adv Search |
Download: PDF (1342 KB)   HTML (1 KB) 
Export: BibTeX | EndNote (RIS)      
Received: 23 March 2019     
PACS:  F811  
Service
E-mail this article
Add to my bookshelf
Add to citation manager
E-mail Alert
RSS
Articles by authors
Cite this article:   
URL:  
http://www.ddjjyj.com/EN/     OR     http://www.ddjjyj.com/EN/Y2020/V294/I2/69
Copyright © Editorial Board of
Supported by:Beijing Magtech