“Zheng He's Voyages to Western Seas”的概念、定义、翻译、参考文献-科学参考

单词	Zheng He's Voyages to Western Seas
释义	Zheng He's Voyages to Western Seas 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	closed operator closed orbit closed orthogonal sequence closed orthogonal system closed orthonormal system closed path closed path Green's function closed path; loop closed path space closed pipe closed plane closed pneumothorax closed point closed point set Closed Population closed power station closed professional sports league closed pseudo-manifold closed quadrature formula closed quantum system closed range theorem closed ray closed region closed reserve system closed resonator

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。