略語大辞典 [Traf] 28 RMI radio magnetic indicator (航空機の)無線磁気(方向)指示器. 航空機用の方位計器.radio magnetic indicator; a direction indicator on an aircraft; ref. VOR(VHF omnidirectional radio range), HSI(horizontal situation indicator), NDB(nondirectional radio beacon); [Traf:E:C]. 丸善「略語大辞典」JLogosID : 11857915