“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	methodology of mathematics methodology of national income statistic methodology of natural science methodology of sociology Methodology of Traditional Chinese Writing Methodology on ecosystem research method on normal equations method quantification limit method ruggedness methods and model based on data mining Methods and system for project quality assurance Methods and tools for project quality control Methods and types of project tendering and bidding method selectivity methods for controlling the temperature in constant temperature ensembles methods for eliminating international double taxation Methods for Entrepreneurial Project Management Methods for final project payment Methods for Project Cost Estimate Methods for Project Critical Path Management Methods for project human resources planning Methods for Project Management of Innovation Methods for Project Risk Identification Methods for Project Risk Measurement Methods for Research and Development Project Management

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。