太空授课、种菜、养鱼……太空里的中国元素越来越多

Core Points - The article highlights the 22-year journey of China's space program since Yang Liwei became the first Chinese astronaut to enter space in 2003 [1] - It emphasizes the evolution of Chinese space missions, including the first space class, the first space vegetable cultivation, and the first space celebration of the New Year [1] - The Shenzhou crewed missions and Tianzhou cargo missions have now entered a "flight regularization" phase, indicating a more routine operation of China's space activities [1] Summary by Categories - Historical Milestone - Yang Liwei's flight in 2003 marked a significant achievement for China's space exploration [1] - Innovations in Space Missions - The article mentions various firsts achieved by Chinese astronauts, such as conducting classes in space and growing plants in a microgravity environment [1] - Operational Developments - The transition of Shenzhou and Tianzhou missions into a regular flight schedule reflects the maturity and advancement of China's space program [1]