isogonal surface等角曲面
isogonal basis等角基
isogonal bases等角基
isogonal mapping等角映射;等角映象英语;翻译
isogonal map正角地图
isogonal lines等角线对
isogonal spiral等角螺线
isogonal transformation保角映射;[数] 等角变换
isogonal trajectory等角轨线;等角轨迹;等角曲线
ADJ（形容词） having, making, or involving equal angles 等角的 [maths]
N（名词） an imaginary line connecting points on the earth's surface having equal magnetic declination 等磁偏线 (Also called isogonic line, isogonal line, isogone) [physics]