“Four Orthodox Caliphs”的概念、定义、翻译、参考文献-科学参考

单词	Four Orthodox Caliphs
释义	Four Orthodox Caliphs Encyclopedia 历史学〔综述〕释 Four Orthodox Caliphs四大哈里发 632年穆罕默德去世后，阿拉伯帝国最初的四位继任者，史称四大正统哈里发。哈里发为阿拉伯语的音译，意为真主使者的继承者。
随便看	spectral irradiance spectral irradiation spectral isomorphic spectrality spectral kernel spectral lamp spectral leakage spectral line spectral line absorption spectral line broadening spectral line broadening mechanism spectral line correlation spectral line emission spectral line formation spectral line half width spectral line intensity spectral line narrowing spectral line of absorption spectral line of emission spectral line of radio astronomy spectral-line photometer spectral line profile spectral line receiver spectral line self absorption spectral line self-absorption

科学参考收录了854744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。