SCIENCE & TECHNOLOGY PROGRESS AND POLICY
Editor:Zhou Tao
Director: the ministry of education
Host: university of electronic science and technology
Editorial: SCIENCE & TECHNOLOGY PROGRESS AND POLICY
Domestic unified serial number: CN 51-1207 / T
The international standard serial number: ISSN 1001-0548
Mail to issue no. : 62-34
1992Vol. 9,No. 4 Published:20 July 1992