Twin BeiDou Satellites Were Put into Orbit

• 出 处: 中国航天：英文版
• 发表日期: 2015年3期
• 关键词: 北斗卫星 轨道 北斗导航卫星系统 北京时间 运载火箭 全球覆盖 飞行 发射

<正>At 20:29 Beijing time July 25,China put another two BeiDou satellites into orbit using a LM-3B/Yuanzheng 1 launch vehicle.After about 3.5 hours’flight,the Yuanzheng 1 upper stage precisely sent the two next-generation BeiDou satellites into their