Copy Reference From Beacon Towers to Fiber-Optic Communications
Year:1990 Issue:12
Column: Economy
Author: SHANG CUIYUN
Release Date:1990-12-01
Page: 44-46
Full Text:
FIBER-OPTIC communications is a new force in China's post and telecommunications. In the middle of the '70s China began to research this new technology and in the '80s achieved great progress in both...
Please login first!