“bubble horizon”的概念、定义、翻译、参考文献-科学参考

单词	bubble horizon
释义	bubble horizon [`bǝb·ǝl hǝ`rīz·ǝn] ^NAVIGATION An artificial horizon parallel to the celestial horizon, established by means of a bubble level on a bubble sextant.
随便看	drawbar pull draw bead drawbench drawbridge drawdown drawdown ratio drawer draw-filing drawhead drawhole drawing drawing back drawing bristol drawing cloth drawing compound drawing die drawing in drawing of temper drawing out drawing paper drawing program drawing timber drawknife draw mark drawn finish

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