Optics, etc. †right shadow: the figure thrown by an opaque body upon a horizontal plane to which it is perpendicular. †contrary shadow, †versed shadow…
| 单词 | θ64895 |
| 释义 | the world > physical sensation > sight and vision > optical instruments > instruments for projecting image > [noun] > screen for reception of projected images > figure produced on screen (1) geometric shadow1882 Optics, etc. †right shadow: the figure thrown by an opaque body upon a horizontal plane to which it is perpendicular. †contrary shadow, †versed shadow… |
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