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单词 artificial horizon
释义

WordReference Random House Unabridged Dictionary of American English © 2024
artificial horizon, 
    1. Astronomya level, as a surface of mercury, used in determining the altitudes of stars. Cf. level (def. 7).
    2. Astronomythe bubble in a sextant or octant for aerial use.
    3. AeronauticsAlso called flight indicator, gyro horizon. an instrument that indicates the banking and pitch of an aircraft with respect to the horizon.
    • 1795–1805

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