transitive. To fit or act upon with a diaphragm. to diaphragm down, in Optics: to reduce the field of vision of (a lens, etc.) by means of an…
| 单词 | θ64954 |
| 释义 | the world > physical sensation > sight and vision > optical instruments > lens > [verb (transitive)] > reduce field (1) to diaphragm down1879 transitive. To fit or act upon with a diaphragm. to diaphragm down, in Optics: to reduce the field of vision of (a lens, etc.) by means of an… |
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