Xi officially announces commissioning of BDS-3 navigation system

来源:Xinhuanet责任编辑:Li Wei
2020-07-31 22:56
The completion and commissioning ceremony for the BeiDou Navigation Satellite System (BDS-3) is held at the Great Hall of the People in Beijing, capital of China, July 31, 2020. (Xinhua/Yan Yan)
 
 
轻触这里,加载下一页