| 单词 | artificial horizon |
| 释义 | artificial horizon 1. a level, as a surface of mercury, used in determining the altitudes of stars. Cf. level (def. 7). 2. the bubble in a sextant or octant for aerial use. 3. Also called flight indicator, gyro horizon. Aeron. an instrument that indicates the banking and pitch of an aircraft with respect to the horizon. [1795-1805] |
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