“focal length of lens”的概念、定义、翻译、参考文献-科学参考

单词	focal length of lens
释义	focal length of lens 透镜焦距
随便看	rough plank rough plate rough polishing rough porcelain rough pull rough pump rough purification rough rafter rough reading rough rice rough road tester rough roller mill rough rolling rough rolls rough rule rough running rough-sawn rough sawn timber rough sea rough section rough section size rough selvedge rough service lamp rough shanner rough single cur file

科学参考收录了1248194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。