长三乙火箭成功发射通信技术试验卫星四号（英文）

作者：ZHENG EN-hong

来源：Aerospace China, 2019, 20(03): 47.

<正>China launched a new communications technology experiment satellite into its preset orbit atop a LM-3B launch vehicle from the Xichang Satellite Launch Center at 23:21 Beijing time on October 17.The communications technology