“optical square”的概念、定义、翻译、参考文献-科学参考

单词	optical square
释义	optical square [`äp·tǝ·kǝl `skwer] ^ENGINEERING A surveyor's hand instrument used for laying of right angles; employs two mirrors at a 45° angle.
随便看	antetheca anthelate anthelic arc anthelion anthelminthic anthelmintic anther antheraxanthin anther culture antheridiophore antheridium antheriferous antherozoid anther smut anthesis Anthicidae anthill anthoblast anthocarpous anthocaulis Anthocerotae anthocodium Anthocoridae anthocyanidin anthocyanin

科学参考收录了103327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。