等磁偏角轨线 等角轨线 等角曲线系的英文

isogonaltrajectory

• 等:    class; grade; rank
• 磁偏角:    magnetic declinati ...
• 轨线:    path; trajectory; ...
• 等角:    isogonism; equal a ...
• 轨:    rail; track
• 线:    thread; string; wi ...
• 曲线:    curve; curved line
• 系:    system; series