1, in a narrow sense, refers to the navigation activities of manned or unmanned aerial vehicles in the atmosphere, and in a broad sense, the word aviation also refers to the science necessary for aviation activities.
2. It also refers to various technologies involved in aircraft research and development.
3. Aviation refers to the navigation activities of manned or unmanned aerial vehicles in the earth's atmosphere, such as flight. These activities also include sky-related organizations.
4, such as aircraft manufacturing, development and design.
Humans have a strong desire to fly in the sky for a long time, which can be known from ancient legends, such as the legend of the Goddess Chang'e flying to the moon, China.