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| 长征四号乙运载火箭成功发射天绘二号卫星（英文） | |
| 摘 要： | 正Two satellites were sent into space aboard a LM-4 B launch vehicle from the Taiyuan Satellite Launch Center at 06:25 Beijing time on April 30. The Tianhui 2 satellite was placed to a SSO orbit. This was the 303 rd launch of the LM series launch vehicle and the first mission of the Shanghai Academy of Spaceflight Technology in 2019. |
| 本文献已被 CNKI 等数据库收录！ | |