【现场视频】 我国成功发射天平二号A、B、C卫星
北京时间2022年3月30日10时29分，我国在酒泉卫星发射中心用长征十一号运载火箭，成功将天平二号A、B、C卫星发射升空，卫星顺利进入预定轨道，发射任务获得圆满成功。该卫星主要提供大气空间环境测量和轨道预报模型修正等服务。
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