| 单词 | collimation error |
| 释义 | collimation error [´käl·ǝ`mā·shǝn ´er·ǝr] ASTRONOMY The amount by which the angle between the optical axis of a transit telescope and its east-west mechanical axis deviates from 90°. ENGINEERING 1. Angular error in magnitude and direction between two nominally parallel lines of sight. 2. Specifically, the angle by which the line of sight of a radar differs from what it should be. |
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