英语词汇“bubble horizon”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	bubble horizon
释义	bubble horizon bubble horizon [′bəb·əl hə′rīz·ən] (navigation) An artificial horizon parallel to the celestial horizon, established by means of a bubble level on a bubble sextant. bubble horizon i. A circle on the celestial sphere parallel to the celestial horizon formed by the intersection of the sphere with the plane of the sensible horizon as established by the bubble sextant. ii. The plane established by a bubble sextant, other-wise called a sensible horizon.
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