“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	excellence in four regards Excellence in Public Relations and Communication Management excellency initiative excellent Excellent Journalism Award excellent local ring excellent parabolic representation excellent ring excenter excentral circle excentral hexyl ellipse excentral triangle except gate Exception exception exceptional exceptional algebra exceptional analytic set exceptional binomial coefficient exceptional character exceptional children exceptional classical domain exceptional compact simple Lie groups exceptional complex simple Lie algebras exceptional complex simple Lie groups

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。