航天总公司二院北京仿真中心是我国“七五”期间国家重点建设工程、国家重点科研实验室，是目前世界上规模最大、技术最先进的仿真中心之一。自１９９３年４月全面通过国家验收以来，北京仿真中心圆满完成了各项航天科研任务。为长征三号甲、长征三号乙运载火箭，防空导弹... Beijing Institute of Aeronautics and Astronautics Corporation is one of the largest and most technologically advanced simulation centers in the world. It is a national key construction project and a national key scientific research laboratory during the “Seventh Five-year Plan” period. Since its full acceptance by the state in April 1993, the Beijing Simulation Center has successfully completed various space science research missions. A for the Long March, Long March III B carrier rocket, anti-aircraft missiles ...