| 释义 |
arc navigation arc navigation[′ärk ‚nav·ə′gā·shən] (navigation) A navigation system in which the position of an airplane or ship is maintained along an arc of a circle which has a radius measured from a control station by means of electronic distance-measuring equipment, such as shoran or oboe. arc navigationA navigation system in which the position of an airplane is maintained along an arc measured from a control station by means of electronic distance-measuring equipment such as SHORAN (short-range navigation system). |