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单词 grid declination
释义

grid declination


grid declination

n (Physical Geography) the angular difference between true north and grid north on a map

grid declination


grid declination

[′grid ‚dek·lə¦nā·shən] (navigation) In grid navigation, the angular difference in direction between grid north and true north; it is measured east or west from true north. Also known as declination of grid north; grid convergence.
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