negative dihedral meaning in English
下反角
Examples
- Joined - wing configuration features diamond - shapes in both the plan and front views . the front wing is aft swept with positive - dihedral angle and the rear wing is forward swept with negative dihedral angle
联结翼飞机是指带上反角的后掠前翼和带下反角的前掠后翼联结成菱形框架结构的飞机。