| 释义 |
isogonic line
isogonic linen. A line on a map connecting points of equal magnetic declination.Thesaurus| Noun | 1. | isogonic line - an imaginary line connecting points on the Earth's surface where the magnetic declination is the sameisogonal line, isogoneline - a spatial location defined by a real or imaginary unidimensional extent |
isogonic line
isogonic line[′ī·sə¦gän·ik ‚līn] (geophysics) Any of the lines on a chart or map showing the same direction of the wind vector. Any of the lines on a chart or map connecting points of equal magnetic variation. isogonal A line drawn on a map or a chart joining points of equal variation (magnetic declination). On aeronautical charts, isogonic lines appear as irregular dashed lines (−3° E), and their values also are indicated alongside the lines. The annual change in their values is indicated at the bottom of the chart. Also called an isogonic line.isogonic line
Synonyms for isogonic linenoun an imaginary line connecting points on the Earth's surface where the magnetic declination is the sameSynonymsRelated Words |