我国成功发射一颗卫星本刊讯１０月２０日，我国在酒泉卫星发射中心用长征二号丁运载火箭成功发射了一颗科学探测与技术试验卫星。卫星顺利进入预定轨道，星上各种仪器工作正常。这次发射的卫星，是我国发射的第１７颗返回式遥感卫星。按预定计划，卫星将在轨道上运行１５... Our country successfully launched a satellite The journalist on the 20th of 20, China Jiuquan Satellite Launch Center with the Long March II carrier rocket successfully launched a scientific exploration and technology test satellite. Satellite successfully entered the orbit, all kinds of instruments on the planet work properly. The satellite launched this time is the 17th return type remote sensing satellite launched by our country. According to the plan, the satellite will be running on the track 15 ...