“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	symmetry axiom symmetry breaking symmetry breaking technique symmetry-broken symmetry class symmetry classification symmetry condition symmetry element symmetry elements symmetry energy symmetry factor symmetry forbidden reaction symmetry function symmetry group symmetry group theory symmetry in \boldsymbol k-space symmetry in classical mechanics symmetry in quantum mechanics symmetry law symmetry measurement symmetry number symmetry of a relation symmetry of crystals symmetry of Lagrangians symmetry of molecule

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。