光电英语词汇
焦距 focal length焦线 focal line焦面 focal plane焦面滤光片 focal plane filter焦面位移 focal plane shift焦面快门 focal plane shutter焦点板，标线片 focal plates, reticles焦点 focal point焦度 focal power焦比 focal ratio焦球 focal sphere焦斑 focal spot焦面 focal surface聚焦带 focal zone调焦，焦距调整 focalization调焦器 focalizer絮凝 focculation焦距计 focimeter测无距准且光管 foco-collimator虚圆点 focoid焦距计 focometer焦距仪 focometers测焦距术 focometry焦正仪 focon焦点 focus语际翻译 版权所有
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