【机】 first angle projection; first angle system
first; firstly; primary
【医】 arch-; arche-; eka-; prot-; proto-
【经】 no 1
corner; angle; cape; contend; horn; wrestle; role
【医】 angle; anguli; angulus; Broca's angle; cornu; cornua; gonio-; horn
【计】 method of projection; projection method