complementary-angle method余角法;馀角法
complementary modular angle[数] 补模角
complementary dihedral angle余二面角
complementary moduler angle补模角
complementary adjacent angle[数] 余邻角
Komplementwinkel complementary angle余角
complementary angle of front angle前角余角
N（名词） either of two angles whose sum is 90° 余角 → compare supplementary angle