“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	standard autogenous grinding design test standard baffle standard basis standard basis of an ideal standard biological parts standard blackbody radiation source standard blocks standard body standard body weight standard buffer solution standard bus modular test instruments standard calibration well standard candle standard capacitor Standard Capacity of Qin Dynasty standard cell standard cell design standard cell library standard chart standard chemicals standard chronometer standard class standard clock standard coal equivalent standard Cold Dark Matter model

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。