magnetic attraction resulting from some nearby object rather than from the earth's magnetic field.
单词 | θ205992 |
释义 | society > travel > travel by water > vessel, ship, or boat > equipment of vessel > navigational aids > [noun] > compass > effect of iron on compass (4) local attraction1774 magnetic attraction resulting from some nearby object rather than from the earth's magnetic field. deviation1819 spec. The deflection of the needle of a ship's compass, owing to the magnetism of the iron in the ship or other local cause. Subcategories:— devices used to correct deviation (2) |
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