“relative aperture”概念、定义、翻译-科学时代

单词	relative aperture
释义	物理学词汇手册 relative aperture 相对孔径，相对口径
随便看	meridian plane meridian plane meridian plane meridians and vessels meridian sinew meridian spacing meridian stagnation meridian stress meridian stroke meridian syndrome meridian system meridian transit meridian transmission meridian vessel meridian-warming hemostatic medicinal meridian wire meridian zenith distance meridiem meridional meridional central map projection meridional circulation meridional circulation meridional component meridional convergence meridional curvature of field

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。