“郑和下西洋”的概念、定义、翻译、参考文献-科学参考

单词	郑和下西洋
释义	郑和下西洋 Encyclopedia 历史学中外关系释 Zheng He's Voyages to Western Seas郑和下西洋 1405～1433年，郑和率领船队7次出使亚非30多个国家和地区，是中国航海史和外交史上的重大事件。
随便看	Education-first Model of China's Social Work Development education for all Education for All Handicapped Children Act of 1975 education for children with physical disabilities education for illiteracy education for international understanding education for national minorities education for sustainable development education for the disabled education governance education group education historical relic education in ancient Athens education in ancient Egypt education in ancient Greece education in ancient India education in ancient Persia education in ancient Rome education in ancient Sparta education in Argentina education in Assyria and Babylonia education in Brazil education in Egypt education inequality education in European Renaissant

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。