| 单词 | altitude curve |
| 释义 | altitude curve [`al·tǝ´tüd ´kǝrv] ENGINEERING The arc of a vertical circle between the horizon and a point on the celestial sphere, measured upward from the horizon. NAVIGATION A graphical representation of the altitude of a celestial body as it would appear from a single assumed position or a series of assumed positions over a period of time; such curves are precomputed. |
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