“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	absolute model absolute moment absolute monotonicity absolute monotony absolute motion absolute music absolute nearness absolute neighborhood absolute neighborhood extensor absolute neighborhood retract absoluteness absolute nodal coordinate formulation，ANCF absolute non-measurability absolute norm absolute number absolute of a projective model absolute of a topological space absolute open flow of gas well absolute optimal solution absolute orbit absolute orientation absolute parallax absolute parallelism absolute past absolute permeability

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。