| 释义 |
grid convergence
grid convergenceThe horizontal angle at a place between true north and grid north. It is proportional to the longitude difference between the place and the central meridian. See also convergence.grid convergence
grid convergence[′grid kən‚vər·jəns] (navigation) grid declination grid convergence The horizontal angle at a place between true north and grid north. It is proportional to the longitude difference between the place and the central meridian. It is measured east or west from true north. |