有效口径是什么意思-有效口径的词语解释-相关组词-词语-近音词-同音词 - 掌上跨屏通词语词典

题目

更新时间：2025-02-05 11:42:05

求解答，词语有效口径是什么意思？再说说有效口径有什么含义？

答案

有效口径的词语解释

有效口径[ yǒu xiào kǒu jìng ]

有效口径也叫作“口径”、“最大口径”。指每只镜头开足光圈时前镜的光束直径与焦距的比数。

有效口径的词语组词

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有效口径的相关词语

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