摘要
The Shanghai Spaceflight Equipment Manufacturing General Factory of SAST conducted a simulated system dual strap-down test on the third stage of the LM-4C launch vehicle.The Factory adopted double strapdown redundancy arrangement for
The Shanghai Spaceflight Equip- ment Manufacturing General Factory of SAST conducted a simulated system dual strap-down test on the third stage of the LM-4C launch vehicle.