Synset:f number speed stop number
Hypernyms:ratio
Inherited Hypernyms:focal ratioratiomagnitude relationrelationabstractionentity
单词 | focal ratio |
释义 | Focal Ratio nnoun.relationthe ratio of the focal length to the diameter of a (camera) lens system Synset:f number speed stop number Hypernyms:ratio Inherited Hypernyms:focal ratioratiomagnitude relationrelationabstractionentity |
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