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