“等值焦距”概念、定义、翻译-科学时代

单词	等值焦距
释义	航空航天词汇手册 equivalent focal length 等值焦距
随便看	beneficiation benefit benefit benefit benefit benefit benefit benefit benefit benefit approach to taxation benefit association benefit cluster benefit cluster benefit concept benefit continuity of education investment benefit cost benefit-cost analysis benefit-cost analysis benefit-cost analysis benefit-cost model benefit-cost ratio benefit-cost ratio benefit-cost ratio benefit-cost ratio benefit-cost ratio

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

equivalent focal length