Assertion: airfoil's surface | /r/HasProperty | same length
Facets:
value: as the lower surface
type: LOCATION
value: nearly
type: DEGREE
Source sentences:
text: The upper and lower surfaces of the Wright airfoils are nearly the same length; the lower surface is not flat like many modern low speed airfoils.
text: The symmetric airfoil in our experiment generates plenty of lift and its upper surface is the same length as the lower surface.
text: The symmetric airfoil in our experiment generates plenty of lift and its upper surface is the same length as the lower surface.