从40年代到60年代初期，钱学森在火箭与航天领域提出了若干重要的概念：

From the 1940s to the early 1960s, Qian Xuesen put forward several important concepts in the field of rockets and aerospace: In the 1940s, he proposed and realized the rocket-assisted take-off device (JATO), which shortened the runway distance. <br>In 1949, the concept of rocket passenger aircraft and the idea of ​​nuclear rockets were proposed; in 1953, the possibility of interstellar flight theory was studied; in the "Introduction to Interstellar Voyage" published in 1962, it was proposed to use a jet engine The large aircraft used as the first-level vehicle. <br>5. Engineering <br>cybernetics During its formation , engineering cybernetics takes design stability and guidance systems as the main research objects. Qian Xuesen himself is the pioneer of this kind of research work

From the 1940s to the early 1960s, Qian Xuesen proposed a number of important concepts in the field of rockets and spaceflight: in the 1940s, the rocket booster take-off device (JATO) was proposed and implemented, which shortened the runway distance.<br>The concept of a rocket passenger aircraft and the idea of a nuclear rocket were proposed in 1949, the possibility of interstellar flight theory was studied in 1953, and the use of a large aircraft with a jet engine as a first-stage vehicle was proposed in the 1962 Overview of Interstellar Navigation.<br>5, engineering control theory<br>In the process of its formation, engineering control theory regards the practice of engineering technology such as design stability and guidance system as the main research object. Qian Xuesen himself was a pioneer in such research

From the 1940s to the early 1960s, Qian Xuesen put forward several important concepts in the field of rocket and aerospace: in the 1940s, he put forward and implemented the rocket assisted take-off device (JATO), which shortened the runway distance.<br>In 1949, the concept of rocket passenger aircraft and the assumption of nuclear rocket were put forward. In 1953, the possibility of the theory of interstellar flight was studied. In 1962, an introduction to interstellar navigation proposed that a large aircraft equipped with jet engine should be used as the first stage carrier.<br>5. Engineering cybernetics<br>In the process of its formation, engineering cybernetics takes the design of stability and guidance system as the main research object. Qian Xuesen himself is the pioneer of this kind of research work<br>