“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	weapon weapon control system weapon delivery accuracy simulation verificatio weapon equipment integrated logistics support engineering weapon grade plutonium weapon grade uranium weapon pod Weaponry Painting Album weapons effect weapons industry weapons in Palaces of the Qing Dynasty weapons used in an opera performance weapon system design weapon system performance evaluation weapon system reaction time weapon system requirement analysis wear wearability wearable wearable clothing design wearable computer wearable computing wearable device wearable devices for intelligent analysis wearable electronic device

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。