请输入您要查询的英文单词:
单词
focal length
释义
focal length
n.
(名词)
abbr.
f, FL
【缩写】
The distance from the surface of a lens or mirror to its focal point. Also called
focal distance
,
focus
焦距:从透镜或面镜的表面到焦点的距离 也作
focal distance
,
focus
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更新时间:2025/8/5 21:55:52