| 释义 |
1. | 方位角，地平经度（用以找出恒星、行星等的方位）an angle related to a distance around the earth's horizon , used to find out the position of a star, planet, etc. |
n. | 1. the angle measured from north, eastward along the horizon, to the point where a vertical circle through an astronomical object intersects the horizon 2. the angular distance along the horizon between a point of reference, usually the observer's bearing, and another object 3. the angle of the imaginary line between the position of an airplane, ship, etc. and the position of another object |
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