Optics. A spot, shape, or duplicate image appearing at the focal plane of an optical device, produced by spurious reflections resulting from…
| 单词 | θ64765 |
| 释义 | the world > physical sensation > sight and vision > optical instruments > instrument for distant vision > [noun] > telescope > images seen through telescope (1) ghost1851 Optics. A spot, shape, or duplicate image appearing at the focal plane of an optical device, produced by spurious reflections resulting from… |
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