“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	information resource navigation information resource planning information resources information resources construction Information Resources Country Report of Russian(1999) information resources guarantee system information resource sharing Information Resources Management:Policies and Regulations information retrieval information retrieval algorithm information retrieval diversification information retrieval evaluation information retrieval feedback Information Retrieval Journal Information Retrieval Language information retrieval language information retrieval model information retrieval query operation information retrieval service information retrieval strategy information retrieval system Information Retrieval Systems: Characteristics, Testing and Evaluation information retrieval tool information review information revolution

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。