focal length [计] 焦距
- C: Can I control the focal length?
我能控制焦距吗? - The focal length is set to Flat stitch in the Properties window.
焦距在特性窗囗中被设定成平坦的一针。 - The focal length of a given lens is different for different colors.
一个特定的透镜的焦距因颜色的不同而不同。
focal length[ noun ]
the distance from a lens to its focus
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