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中国运载火箭技术研究院是中国“长征”系列运载火箭的摇篮,是中国最大的运载火箭研制基地。2013年12月3日,由研究院研制的“长征”三号乙增强型火箭成功发射了嫦娥三号月球探测器,使其极为精准的到达地月转移轨道。为将质量更重、体积更大的嫦娥三号探测器准时、准确地送至太空,确保此次发射任务的圆满成功,研究院“长征”三号甲系列火箭研制团队对“长征”三号乙运载火箭进行了包括多窗口发射、复合制导、运载能力提升等在内的六大关键技术突破。创新实现了发射窗口由少变多,从嫦娥二号
China Academy of Launch Vehicle Technology is the cradle of China’s “Long March” series of launch vehicles and is the largest launch vehicle development base in China. On December 3, 2013, the “Long March” No.3 B rocket developed by the Institute successfully launched the lunar probe Chang’e III, making it extremely accurate to reach the Earth-Moon transfer orbit. In order to send the mass heavier and larger Chang’e III probe to space on time and accurately and ensure the success of this launch mission, the research team of Long March III rocket research institute of the Institute on Long March "Three B carrier rocket, including multi-window launch, composite guidance, carrying capacity to enhance the six key technological breakthroughs. Innovation to achieve the launch window from less to more, from Chang’e II