focal length是什么意思 focal length怎么读
focal length的英文翻译是什么意思，词典释义与在线翻译
Noun:- the distance from a lens to its focus
focal length的用法和样例
- Determine the focal length of your lens.
决定你镜头的焦距。 - As a result, the focal lengths in these planes will be different.
结果，这两个平面内的焦距将不同。
展开更多
