Analysis of information sources in references of the Wikipedia article "机翼" in Chinese language version.
This theory also does not explain how airplanes can fly upside-down which happens often at air shows and in air-to-air combat." "The symmetric airfoil in our experiment generates plenty of lift and its upper surface is the same length as the lower surface.
This theory also does not explain how airplanes can fly upside-down which happens often at air shows and in air-to-air combat." "The symmetric airfoil in our experiment generates plenty of lift and its upper surface is the same length as the lower surface.
