Publisher： 国家哲学社会科学学术期刊数据库

E-ISSN： 1671-1807|16|8|140-144

ISSN： 1671-1807

Source： 科技和产业, Vol.16, Iss.8, 2016-01, pp. : 140-144

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

Previous Menu Next