“The defense of Beijing”的概念、定义、翻译、参考文献-科学参考

单词	The defense of Beijing
释义	The defense of Beijing Encyclopedia 历史学政治史释 The defense of Beijing北京保卫战中国明代正统十四年（1449）蒙古瓦剌部骑兵在首领也先率领下攻打明朝首都北京，明朝军民在明景帝领导、于谦主持下开展的一场首都保卫战。
随便看	physical properties of crystal physical properties of DNA physical properties of liquid crystal physical properties of natural gas physical properties of oil and gas physical properties of reservoir-crude at high pressure physical properties of rock physical properties of rock database physical properties of soil physical properties of superconductor physical properties of wood-based panels physical property analysis of geological sample physical property characterization of superconductor physical property measurement experiment physical property of wood physical property package for chemical industry physical property sensor physical property testing instrument physical protection physical protection for nuclear material physical protection system Physical quality index physical quality of life index physical quantity physical quantity sensor

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。