“grid variation”的概念、定义、翻译、参考文献-科学参考

单词	grid variation
释义	grid variation [`grid ´ver·ē¦ā·shǝn] ^NAVIGATION In grid navigation, the angular difference between grid north and magnetic north.
随便看	rule of false position rule of inference rule of sixty rule of V's ruler ruling ruling engine ruling pen rumble rumen ruminant Ruminantia rumination run run a line of soundings runaround runaround crosstalk runaround scrap runaway effect runaway electron runaway gun runaway star runaway tape runback run before the wind

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