| 释义 |
isogriv
isogriv (ˈaɪsəʊˌɡrɪv) na line on a map connecting points of equal angular difference between magnetic north and grid northisogrivA line on a map or chart which joins points of equal angular difference between grid north and magnetic north. See also grid magnetic angle.isogriv
isogriv[′ī·sə‚griv] (navigation) A line drawn on a map or chart joining points of equal grivation. isogriv Isogrivs drawn on a lambert's projection.A line drawn on a map or a chart joining points of equal grivation (i.e., the angular difference between grid and magnetic north). |