“总光圈大小”的概念、定义、翻译、参考文献-科学参考

单词	总光圈大小
释义	总光圈大小 overall f-number
随便看	checking weight by draft checking weight by volume check investment items check in wood check irrigation check key check knot checkless banking system checkless society check lever check light checkline check list check list method check list system check list (市场调查技术之一) check-lock check lock lever check loom check mark check matrix check method of irrigation check (non-return) valve check nozzle check number

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。