略語大辞典 [Traf] 24 nm nautical mile 海里. 海面および空中での距離単位.nautical mile; a unit of distance for shipsand aircrafts; 1 nm = 1852 m, or 1/60 ofa degree, or about 6,076 ft; [Traf:Phys]. 丸善「略語大辞典」JLogosID : 11863002