During the early period of rocket development, China had established a rocket mechanical model and, in addition, had determined various external forces (such as engine thrust and aerodynamics) during the process of flight.

 
  • 中国在火箭研制初期,已建立起火箭的力学模型,此外也早已确定了飞行过程中的各种外力(如发动机推力、空气动力)。
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