“F-umber, FNO”的概念、定义、翻译、参考文献-科学参考

单词	F-umber, FNO
释义	F-umber, FNO Encyclopedia 艺术学镜头参数释 F-umber, FNOF制光圈数相对孔径的倒数。又称F光圈数、F数、光圈系数。简称光圈数。艺术学镜头参数释 F-umber, FNOF数相对孔径的倒数。又称F制光圈数、光圈数、光圈系数。
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科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。