“swinging the arc”的概念、定义、翻译、参考文献-科学参考

单词	swinging the arc
释义	swinging the arc [`swiŋ·iŋ thǝ `ärk] ^NAVIGATION The process of rotating a sextant about the line of sight to the horizon to determine the foot of the vertical circle through a body being observed. Also known as rocking the sextant.
随便看	falling body falling disease falling-drop method falling film falling-film cooler falling-film evaporator falling-film molecular still falling-film still falling-sphere viscometer falling tide fall line falloff curve fall of ground Fallopian tube fallout fallout area fallout shelter fallout winds fallow fall-streak hole fall streaks Fallstreifen fall time fall velocity fall wind

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