“opening angle”概念、定义、翻译-科学时代

单词	opening angle
释义	物理学词汇手册 opening angle 开度角，孔径角
随便看	balafon Balakirev，Mily Alexeyevich balalaika balanac balance balance balance balance balance balance balance balance balance balance balance balance balance balance balance balance balance balance balance account balance axis system balance b/d (balance brought down)

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。