反角contra-angle
仰角angle of elevation
【医】 κ角, 瞳孔轴间角kappa angle
缓角断层low-angle fault【地质】;low-angle thrust【地质】;
下反角cathedral angle【航】;negative dihedral angle【航】
慢性青光眼Open-angle glaucoma
蜗杆轴向齿形角axial profile angle of worm【机】
安格尔错●分类Angle classification of malocclusion