longitudinal dihedral平尾装配角;纵向上反角
dihedral effect上反效应
Inverted Dihedral下反角
interior dihedral内二面角
dihedral bend二面角
airplane dihedral机翼上反角
dihedral groups二面体群
dihedral corner二面角
ADJ(形容词) having or formed by two intersecting planes; two-sided 由两个平面构成的
a dihedral angle
N(名词) the figure formed by two intersecting planes 二面体 (Also called dihedron, dihedral angle)