focal ratio
- 单词发音：英 [ ˈfəʊkəl ˈreiʃiəu ] 美 [ ˈfokəl ˈreʃo ]
- 基本解释：焦比
- focal ratio 是什么意思及中文翻译：
- 焦比
focal ratio 相关例句更多>
- nominal focal ratio.
标称焦距比
- The ratio of the focal length to the diameter of a lens system.
相机镜头直径焦距比。
- This is the ratio of the focal length of the telescope to its aperture.
这是指望远镜的焦距与其孔径的比值。
- The signal to noise ratio characteristics of focal plane array imaging system are also discussed in details.
同时详细讨论焦平面阵列成像系统的信噪比特性。
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