释义 |
grid bearing
grid bearingBearing measured from grid north.grid bearing
grid bearing[′grid ¦ber·iŋ] (navigation) In grid navigation, the angle in the plane of the projection between a line and a north-south grid line. grid bearingThe angle in the plane of the projection between a line and a north-south grid line.grid bearingThe direction of an object from a point, expressed as a horizontal angle, measured clock-wise with reference to grid north. The grid bearing of any point along the track is the sum of the true bearing plus the west or minus the east longitude of the meridian. |