“aperture ratio”的概念、定义、翻译、参考文献-科学参考

单词	aperture ratio
释义	aperture ratio [`ap·ǝ´chǝr `rā·shō] ^OPTICS The ratio of the effective diameter of a lens to its focal length.
随便看	Reynolds stress tensor rezbanyite Rf rf R factor RFI rf preheating RF value R galaxy RGB monitor RG line RGU system RH Rh Rhabdiasoidea rhabdion rhabdite Rhabditia Rhabditidia Rhabditoidea Rhabdocoela rhabdoglyph rhabdolith rhabdome rhabdomyoblastoma

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。