| 单词 |
autocollimation |
| 释义 |
autocollimation
autocollimation[¦ȯd·ō‚käl·ə′mā·shən] (optics) A procedure for collimating a telescope or other optical instrument with objective and crosshairs, in which the instrument is directed toward a plane mirror and the crosshairs and lens are adjusted so that the crosshairs coincide with their reflected image. |
| 随便看 |
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