英语单词大全

f-number是什么意思 f-number怎么读

英式：[] 美式：[]

f-number单词基本解析：

n.焦距比数
n. 焦距比数

f-number变化用词：

名词复数: f's |

f-number英英释义：

名词 f-number:

the ratio of the focal length to the diameter of a (camera) lens system

同义词：focal ratio, f number, stop number, speed

f-number中文词源：

f-number用法和例句：

f-number

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